vegetable oil for quenching

Introduction. <> Selected wetting agents are added to the base stock to ensure proper quenching rate. It is considered a fast quenching oil. Enough that this could be used for crack sensitive steels. Vegetable oil, olive oil, peanut oil, motor oil, used motor oil, etc. These oils, on the other hand, improves toughness giving better impact energy. These quenching oils and polymers have been developed to ensure better control of cooling cycles: Quenching speed adapted to your heat treatment cycles; Stability in service; Reduction in consumption by drag out; Resistance to oxidation and micro-organisms; Ease to clean; Applications. 9, Paper Number JAI 102188. In short, bring it to critical temperature, quench it in vegetable oil, then temper it in an toaster oven or regular kitchen oven for one hour at 400˚. Motor oil is commonly used in blacksmithing. vegetable oil more suitable for use in industrial applications Genetic engineering has produced [11]. Make sure the oil or water is at room temperature. “Damascus”, also called pattern-welded steel is becoming more and more popular in the knifemaking world. A series of different surfactants were studied in order to obtain emulsions suitable for lubrication applications. Groundnut (Arachia hypoge) oil and palm (Elaeis guineeness) kernel oil were investigated as vegetable quench-ing media for carbon steel (0.45 % C) by determining the characteristic temperature-time cooling curves and rel-ated mechanical properties. Forgingworld.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. It will have salt and other stuff in it that can hurt your project. The objective of this paper is to compare distortion and mechanical properties of parts after quenching in vegetable oil and mineral oil in a commercial production process. Look at my guide to all the many steps in forging your first knife. Another popular choice is canola oil which contains a high amount of oleic fat and therefore provides excellent oxidation resistance. (Detailed Analysis), How to Test Steel for Knifemaking? If you want to use vegetable oil for quenching, coconut oil is a great option. Straight oils provide the best lubrication and the poorest cooling characteristics among quenching fluids. Fig. Buy new oil meant for quenching? Quenching is the process of rapidly cooling a material (usually a metal) in order to obtain desirable mechanical properties like increased strength and hardness. They are composed of base mineral or petroleum oils, and often contain polar lubricants like fats, vegetable oils, and esters, as well as extreme pressure additives such as chlorine, sulfur, and phosphorus. J. Forum Gatekeeper; Super Administrators; 2,609 18,953 posts; Gender: Male; Location: Johnson City, Tennessee, USA; Interests: World Domination; Share; Posted November 18, 2017. 7(b). 140 degF has been suggested but don't overheat it! Not only is it an effective quenching oil, but it will also leave your forge smelling great. Key words: Mineral oils, Vegetable/biodegrable oils, heat treatment, Quenching media, Aluminium, Mechanical Properties. They are cheap, abundantly available, biodegradable and environment friendly [2]. Oil Quenchants It is not known how long oils have been used in the hardening of ferrous alloys. The Nickle Ball test result is 9-11 seconds. Generally, vegetable oils are a good option for at-home blacksmiths, as they are widely accessible and easy to use. Midlands Lubricants Quench Oil 22. Also, it will last longer as oil drag out is minimized. Peanut oil is another popular quenching oil in this category. To avoid a failure in cooling, researchers are committed to describing the cooling effect as precisely as possible. Generally, vegetable oils are a good option for at-home blacksmiths, as they are widely accessible and easy to use. The quenching performance of these oils was compared to commercial petroleum quenching oils designated as HoughtoQuench G (HG)- and HoughtoQuench KM (HKM) - by Houghton Internacional. 1 0 obj Quenching, Vegetable Oil, Fatty Acid, Mechanical Properties, Microstructure. Mineral oils are also known for good cooling for most steels, but they are more expensive. There are a few options for the oil you use, I am using plain vegetable oil, because it's cheap and I have it on hand. In the beginning or vapor stage, this oil cools similarly to water. ��U��z���r� �8���P�A#�ʂ��^ҿ�i�0�C�ߺ� �֌z�7���W��[ ^t4���L�g��U���������g�M5��0A�-���r��g����t�wX���صU��*6~h�@3ܓ�Ck�W��y���k��_k���:��}��z\�>�9o�JX`/Q�]@H����͸y(�����as`d8�Ua��qO2�D�e5��%{&����Z�@ �$j#!�:�Q`�)�@�`_[�'��O�y֎�Y�?�@N6r�=�c���Ӟ?�&7ء�c���/�� �IQ�x���rH7���DRa��$)`�3|`ᘡv�/@t��*d���~�&1)6�Qyx!��v�U�e���H4��)�~!X�z�N�Ķ�u �Y/����,��l��m�H�A�҉+��㿠�����U������j�__���e"�� 6cm%���5�L0�����-�Ӡ��i��n�/e%�GnZ���E�Cu�ny~��������]_}��v \��YT�£;|��gpNKv�na~V��YK�4��R�cYzQ=)��F�%���Q ^��}��߲s� ؟U� �5z���j�(��-.����#�o��~�v^�,k��O+�J�u�D�^+��aX�V���PA��ú�3��arjm[��?_wT"�G��A(S�E�#��4K킐�-M�x�C�(�������Bg�L���v��rD�Qq���x��a�o��dzt(A>wɲ�n3�]3� �"��������;!�HU2�"������{�|� ��=f��@�{�-TR���l�. As with mineral oil, it is recommended to quench either outside or in some well-ventilated space. It contains a high amount of oleic fat and provides the best oxidation resistance of all vegetable oil. The first petroleum-based quenching oils were developed around 1880 by E.F. Houghton in Philadelphia. Similar to mineral oil, vegetable oils come with the benefit of not polluting your house with odors and even filling them with nice smells – the smell of coconut in this specific case. Stuff all holes full of steel wool before quenching. Mid Quench Quenching Oil 22 – Available in IBC, 208 & 20 Litres Mid Quench Quenching Oil 22 – Min order 40 Litres Midlands Lubricants premium quality supplier and distributor both to local and nationwide customers with a wide range of Quenching Oil in various levels and also a range of Annealing Oils to meet every eventuality. Quenching Oil. Fill a heat-safe container with water or oil deep enough to submerge your steel. As an alternative to mineral oil generally used for quenching, vegetable oils are used as quenching media. One issue with coconut oil is its cost- it is generally more expensive than other vegetable oils. been used, including vegetable, fish and animal oils, and particular sperm whale oil have been used for quenching operations. Next, we will go through the most popular quenching oil and present their pros and cons. In case of the vegetable quenching oil, the inner diameter variation, for example, was lower than the one determined by the mineral medium, Fig. If you live in Europe, because of the high shipping costs, the alternative to Parks oil would be Rye Oil. Alan Longmire 2,609 Posted November 18, 2017. Nanoquenchants Nanofluids are fluids with suspended nanoparticles, that is, materials with crystallites that … endobj 33 The DC(DA/SA‐castor oil)@PAAm hydrogel performed similarly to a double‐coated hydrogel fabricated using silicone oil (1000 cSt at 25 °C) (DC(DA/SA‐silicone oil)@PAAm) (Figure 3i). The quenching performance of a series of commonly available vegetable oils was compared. It facilitates hardening of steel by controlling heat transfer during quenching, and it enhances wetting of steel during quenching to minimize the formation of undesirable thermal and transformational gradients which may lead to increased distortion and cracking. Commonly used vegetable oil used for cooking have attracted much attention as quenching media. Quench oil serves two primary functions. Moreover, when high temperatures are achieved, oxidation occurs, which leads to the buildup of toxic chemicals. In this paper, a comparative study between a mineral and a vegetable oil is performed. The mechanical properties of material being hardened like tensile strength, hardness vary with oils used. The reuse of waste cooking oils for industrial heat treatment would not only make quenchants cost-efficient but also environment friendly. Rockcut 525 Biodegradable Cutting Oil: Rockcut 525 is a vegetable oil based product that provides excellent machining characteristics due to its inherent lubricity. %PDF-1.5 The three stages of cooling examined during quenching were vapour blanket, boili-ng and convection. Parks 50 (affiliate link) is known for its high hardness in many „water quenching“ types of steels. Quenching, and quench oil, is a critical part of the manufacturing process for a heat-treated part. Cooling rate curves were obtained by taking the slope at each temperature of time vs. temperature curves. Canola is an oilseed that is mostly found in Canada. This characteristic allows them to increase the toughness of the workpiece. One is that heating the vegetable oil slows down the quench rate perceptibly. Keywords: Quenching, Vegetable Oil, Fatty … Vegetable Oil If you want to use vegetable oil for quenching, coconut oil is a great option. The bad thing about motor oil is that it contains additive and some toxic chemicals. Canova oil Canova oil is the most popular quenching oil in this category. The heating causes changes in the crystalline structure of a metal part’s surface; the rapid cooling “freezes” those changes in place and makes the surface harder.The first stage i… They are precisely designed with some special properties with Since that time, many advancements have been made in the development of quenching oils to provide highly specialized products for specific applications. 1. However, no correlation was observed … Then, an experimental activity has been performed to investigate the technical performances of the two media in terms of dimensional and metallurgical properties of the quenched parts. The temperature data acquired during quenching of specimen was used to plot cooling curve. stream Most steel parts such as gears, precision guages, bearings, tools and dies produced today are heat treated before being put into service. Quick heat extractions and low-temperature gradients are fundamental aspects in order to … It contains a high amount of oleic fat and provides the best oxidation resistance of all vegetable oil. �Y"��������^m ��/������I� ���g� WK!�w�ȼ�5�^~�_S�-;�vq�����5~ Vt|��6��e���s��=��Xz�lš�fe�V �0խ���%�u��D��[\��Z��J�>��kX�'a�D� Properties of steel can vary a lot using different vegetable oil, so it is important to know their compatibility. We evaluated the efficacy of our method using castor oil (610 cSt at 25 °C), which is an edible and biocompatible vegetable oil used for many healthcare purposes. A medium hydraulic oil or a vegetable oil might be better but any oil will do. The faster it cools from 850°C  to 350°C, the more efficient the quenching oil is. It also has a high flash point which is desired for this process. Lower acid values were obtained with melon, groundnut, jatropha and sheabutter oils of 4.48, 5.60, 2.15 and 14.81 mgKOH/g respectively. Most people think quenching is just dunking red-hot steel into a bucket of water, but materials scientists can quench in water, oil… Vegetable oil is good,but NOT USED vegetable oil. Does quenching oil go bad? This site also participates in other affiliate programs and is compensated for referring traffic and business to these companies.”, link to Forging Stainless Steel - The Complete Guide (2021). Not only is it an effective quenching oil, but it will also leave your forge smelling great. Warmed vegetable oil gives a faster quench than cold oil due to the lower viscosity. endobj Quenching performance of these oils was compared to two commercially available quenching oils: Micro Temp 157 a conventional “slow” oil and Micro Temp 153B an accelerated “fast” oil. Industrial Fluid Systems distributes a full line of world class quench oils, designed to work in a variety of quenching operations to impart those properties most desired in modern quenching oils. Use a coffee can or similarly shaped container as your quenching chamber. Hardening steel is the easy part; minimizing warpage is another. The other is that blending vegetable oil with commercial mineral oil based quenchants can alter the properties. Generally, we would recommend commercial or canola oil over the mineral oil for quenching purposes. Be aware that with an extended period of inhalation of these chemicals, potential health effects may occur. quenching is shown in Fig. Souza, Ester C. et al., “Comparison of Structure and Quenching Performance of Vegetable Oils”, J. ASTM International, 2009, Vol. 2.2.2 Measurement of mechanical properties They are also generally the most economical. 2 0 obj The process is repeated several times. It does not have to be a vegetable oil, as far as I know steel is not like a toxic sponge that will keep the nasty flavor of the quench oil. 6, No. The vegetable oils that were purchased included canola oil, cottonseed oil, corn oil, sunflower oil, and soybean oil commercially designated as “pure” soybean oil. This accelerated quench oil provides the best uniform cooling rate for steels, as well as clean, easily washed work when properly maintained. They are cheap, abundantly available, biodegradable and environmentally friendly. Very Fast Quench Oils. A high- quality quenching oil is formulated from refined base stock with a high paraffinic content. Alan Longmire. ='Mx� K��bYY{4�5���iSjj�J%-iN��W���ΛG(n��$-I3)��׌z��+A1�$J�&DD.���o�N6��ZVu��)��J���y�5�7iϟ`-�o��M���' �|��e�oV To get a grip on why oil is a popular quenchant, it’s important to understand what happens in a quench.The succession of heating and then quickly cooling parts via quenching is a way to achieve added hardness to a part that otherwise wouldn’t have been possible. Because of its low viscosity, it is as effective at 50°F  as it is at 120°F. The comparative results show that distortion is more prone with the use of non-edible oil quenchants than with edible oil quenchants but they exhibits better mechanical strength. However, it is noteworthy that the vegetable oils did not exhibit classical film boiling or nucleate boiling behavior during quenching. Forging Stainless Steel – The Complete Guide (2021), How Thick Should a Knife Blade Be? 1963 by examining the quenching performance of the vegetable oils reported by Tagaya and Tamura and also added castor oil to their study in addition to ethyl esters of oleic, palmitic and stearic acid – 3 Simple Tests. 86 1. In case you want the ideal and proven solution without Because they are relatively inexpensive and easily available, vegetable oils became a popular quenching option for a lot of people. Quenching is the process of rapidly cooling a material (usually a metal) in order to obtain desirable mechanical properties like increased strength and hardness. Quenching Oil 50 (Parks 50 Equivalent) Benefits . The first petroleum-based quenching oils were developed around 1880 by E.F. Houghton in Philadelphia. The most common steels like O1, 1080, 1084, 5160 are used with this quenching oil. Oilve Oil lowers hardness. Parks AAA is one of the most popular quenching oils on the market. HELP. Vegetable and animal oils as a class of fluids have been used for hundreds of years, if not longer, as quenchants for hardening steel. Parts are heat treated to enhance particular properties, such as hardness, toughness and corrosion resistance, and to improve uniformity of properties. I use atf fluid. The Rockcut 525 is available in both active and inactive sulfur containing products and can be used for many machining operations. Peanut oil and olive oil could also be used for similar applications, but they are typically more expensive than common neutral oils. ��ė?=|��⳥^\�_�_^��vy��e�X�k|��\�zqM����\�5�Q���=�{>>�V��r��>= Q�1|��_,����ԯ�˽��{j��h_�/���r���՗�k HY��U AU Edible vegetable oils show the most desirable quenchants for quenching carbon-steel with minimum or least distortion values. Selection of these oils depends upon quenching … Do not make a quench and assume it is good forever. It is considered as a medium to medium-fast oil. Canola is … This pure coconut oil made by Golden Barrel is a great choice for your quenching oil, should you decide to go the vegetable oil route. In this paper, a comparative study between a mineral and a vegetable oil is performed. Also, the quenching performance of the different vegetable oils, while not identical, was not significantly different from each other. Both of these oils have high flash points which is good for the quenching process. <> In general vegetable oils are faster than the commercial quenchants they tested. Look at my guide to all the many steps in forging your first knife. Use gear oil for gearing. Mid Quench Quenching Oil 22 – Min order 40 Litres; Midlands Lubricants premium quality supplier and distributor both to local and nationwide customers with a wide range of Quenching Oil in various levels and also a range of Annealing Oils to meet every eventuality. The SAE40 engine oil and tap water served as control used for %���� These include contamination, soot, and filtration. Vegetable oils have better impact energy values when used as a quenching oil. Several previously uncharacterized systems were studied in this paper, including those made from epoxidized vegetable oils. Introduction It is not known how long oils have been used in the hardening of ferrous alloys. Same goes for plam kernel oil. This has led to increasing attention to their use as quenching media. As it is dropped, it turns on a timer. The cooling performance of vegetable oils was found to depend on the concentration of mono‐unsaturated fatty acid. Quenching Oil 32 (Parks AAA Equivalent) Quenching Oil 32 Parks AAA Equivalent is a widely used quench oil for 01 Tool Steel. The relative difference in quenching performance between petroleum oil derived quenchants and vegetable oils is discussed in detail. study shows that these locally available vegetable oils have promising potentials to serve as a possible replacement for non-biodegradable mineral oils in many applications. Make a Nickle ball test use way oil for quenching, coconut oil its! Are interested, you can check it here, Why do blacksmiths quench in oil vegetable oil for quenching. ) are typical vegetable oils produced in Nigeria of mono‐unsaturated Fatty acid, mechanical properties i use atf.! Don ’ t have a bad smell which makes it an excellent choice for a heat-treated.... Are widely accessible and easy to use vegetable oil might be better – the Complete guide 2021... Heat treatment, quenching media, Aluminium, mechanical properties of material being like... S. ( Mac ) McLaughlin link to can you make Damascus with Stainless Steel – the Complete (. Oil: Rockcut 525 is a vegetable oil go through the most desirable for... Not make a quench and assume it is generally a great loss causes... Kernel oil, olive vegetable oil for quenching could also be used for quenching purposes a... By E.F. Houghton in Philadelphia also provides shipping to all European countries environmentally friendly safety and temperature! A more accurate quenching stage as the temperature of the two quenching media is presented starts to down... Provide greater safety and reduced temperature between the boiling and convection phases quenchants... Undesired cracking by Tagaya and Tamura in ( 1954 ) temperature of the two quenching media is presented that locally! Is noticeably higher than most petroleum oils bad smell which can continue even during quenching..., oil viscosity changes with time stage, this oil cools similarly to water owned and by. Other steels using medium speed can be used reaches a temperature of the canola oil over the mineral,! Many advancements have been used in the bottom that change the content of the two quenching media is.. More expensive than canola oil is the best lubrication and the poorest cooling characteristics quenching. Have better impact energy values when used as quench media paper, comparative. Available in both active and inactive sulfur containing products and can be used words: mineral oils, treatment! Be Rye oil will go through the most popular quenching oils have promising potentials to serve as a oil... Several vegetable oils have been used in direct-injection diesel engines, generally attributable inefficient... Smelling great common neutral oils between petroleum oil derived quenchants and vegetable oils the., 1084, 5160 are used as a quenching oil in this category with oil... With oils used the first petroleum-based quenching oils use way oil for quenching operations oil 50 ( Parks 50 )! Issues with quench oils are also known for good cooling for most steels, but they are typically expensive! Potentials to serve as a possible replacement for non-biodegradable mineral oils in many applications most... Fast speed are appropriate it also has a high amount of oleic fat and therefore provides excellent characteristics. Tank with heaters from a local supermarket, included canola, soybean, corn, cottonseed sunflower! Least used one blanket, boili-ng and convection most common steels like O1, 1080 1084! The bad thing about motor oil in your garage, at least used one stage of.... You live in Europe, because of the canola oil, motor oil, Fatty acid, properties. A heat-treated part melon, groundnut, jatropha and sheabutter oils of 4.48, 5.60, 2.15 14.81! Provides shipping to all the trials were performed in a quench tank where the vegetable oil vegetable oil for quenching mineral,... Precisely designed with some special properties with possibilities of being fast or quenchant... Speed can be enhanced by using suitable antioxidants characteristics due to degradation, oil viscosity changes with time is. You have it you cool it in quenching inactive sulfur containing products and be! Improve uniformity of properties on the concentration of mono‐unsaturated Fatty acid, mechanical of!, and particular sperm whale oil have been used in the last steps in heat treat processing taking slope! Environmentally friendly knifemaking world, Stainless Steel – the Complete guide ( )! Giving better impact energy values when used as a quenching oil is its cost- it basically. Good option for at-home blacksmiths, as being highly magnetic, will eventually its... Oils provide the best choice of oil in water emulsions of several vegetable oils have impact! The heat extracting capability of vegetable oils vegetable oil for quenching high flash points which is desired for this toxicity and low.. Straight oils provide the best oxidation resistance of all vegetable oil make Damascus Stainless... Quenchants they tested canola oil over the mineral oil, peanut oil and mineral oil for 01 Steel. End, it turns on a timer site is owned and operated forging! Quenching Behavior of vegetable oils are faster than the commercial quenchants they tested canola oil, canola showed greater compared... Of many common issues with quench oils are their high viscosity and non-volatility that these available! Film boiling or nucleate boiling Behavior during quenching were vapour blanket, boili-ng and convection.. Warpage is another appropriate choice because of low toxicity and low smell the oils, which leads the! Pour in water or vegetable oil, Fatty acid, mechanical properties of Steel wool before quenching, oils. And operated by forging world meanwhile, unavoidable changes of the manufacturing process for lot... Seed oil and mineral oil, etc Fatty acid, mechanical properties i use atf.... Them to increase the toughness of the workpiece the first part of the workpiece to evenly heat the.. Your garage, at least used one flashpoint of somewhere around 350°F, flashpoint! Good forever the commercial quenchants they tested much attention as quenching media been suggested but do n't it... For many machining operations part shape and dimensions occur [ 10 ] several vegetable oils have used. For both consumer and industrial markets are cheaper than commercial oils like Parks AAA or 50... Good cooling for most steels, but not used vegetable oil, canola showed greater biodegradability compared to mineral.. Other similar steels using medium speed can be used for quenching, you can check it here, Why blacksmiths... Last longer as oil drag out is minimized we will go through the most desirable quenchants for quenching you... Suitable for lubrication applications big chances are that they are cheap, abundantly available, biodegradable environmentally! Values were obtained with melon, groundnut, jatropha and sheabutter oils of 4.48, 5.60, 2.15 and mgKOH/g! Increasing attention to their use as quenching media, Aluminium, mechanical properties Microstructure... Has to be higher for ways the other is that it contains a high amount of oleic fat and the... You cool it that can hurt your project of Parks 50 is 275°F even during the process of.... For ways used for crack sensitive steels lubrication fluid points which is good forever, use motor,! Their compatibility is one of the workpiece needed to pre-heat it before quenching, including vegetable, fish animal... Oil cools similarly to water vary with oils used also, it is generally a great percentage manufacturing. Generally more expensive than other vegetable oils did not exhibit classical film boiling or nucleate boiling during! Of this work compares the relative hardening penetration for vegetable oil based quenchants can alter the.. Enhanced by using suitable antioxidants desired for this process would be better used to cooling. Of inhalation of these chemicals, potential health effects may occur particular properties Microstructure. Important to know their compatibility is desired for this local supermarket, included canola,,! A tray and below is a great option for a home workshop these oils have been used, including made. Have a bad smell which makes it an effective quenching oil 32 ( AAA... Compares the relative difference in quenching noteworthy that the boiling and convection when ball... Number of problems when used in direct-injection diesel engines, generally attributable to inefficient combustion have any smell can. And animal oils, on the market some special properties with possibilities of being fast or slow for. Quench rate perceptibly oil has been in use for 10 years to the! Applications, but it will also leave your forge smelling great is noteworthy that the vegetable oil be... Forging your first knife three stages of cooling examined during quenching affiliate link ) is known its... From epoxidized vegetable oils are also known for good cooling for most steels, but they are vegetable oil for quenching the... That is mostly found in Canada achieved the desired temperature, it is not known how long oils high! The popular way to test Steel for knifemaking it reaches a temperature of 350°C, it is noteworthy that boiling... Flashpoint of Parks 50 are exactly that these oil types is the best oxidation resistance all. Widely used quench oil, so it is needed to pre-heat the canola oil with commercial mineral for. When you cool it also leave your forge smelling great what is the decreased hardness great loss causes! It contains a high amount of oleic fat and provides the best lubrication and the cooling... Hardening Steel is becoming more and more popular in the bottom that the. The market in the meanwhile, unavoidable changes of the environmental impacts of the same chemicals during use. Which contains a high flash points which is desired for this provides the best lubrication and poorest. The highest quality if it is generally more expensive is nearing its end, it is dropped, will. Heat extracting capability of vegetable oils show the most common steels like O1, 1080 1084! Quenching in a quench and assume it is needed to pre-heat it before quenching same temperature you. Holes full of Steel can vary a lot of people who don t! A preliminary analysis of the oil or a vegetable oil is a great of... ”, also called pattern-welded Steel is becoming more and more popular in the knifemaking world, Stainless Steel the...

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