Friction and Wear Performances of Magnesium Alloy against Steel under Lubrication of Soybean Oil with S-Containing Additive

A S-containing additive, sulfuration modified soybean oil (named as SSO), was prepared by chemical modification of soybean oil with sulfur compounds. The friction and wear performances of AZ91D magnesium alloy against GCr15 bearing steel under the lubrication of rapeseed oil formulated with SSO were evaluated on a SRV tribotester. The topographies and the chemical species of the worn surfaces of magnesium alloy were analyzed by a scanning electron microscope (SEM) and an X-ray photoelectron spectroscope (XPS), respectively. The results indicated that the friction and wear of the magnesium alloy-steel tribomates could be effectively reduced by formulating SSO into rapeseed oil lubricant. The friction coefficients and the wear volumes of magnesium alloy decreased with increasing contents of SSO. The surface lubricated with SSO-doped rapeseed oil was characterized by less wear as compared with that lubricated with neat rapeseed oil. The enhanced anti-wear and friction-reducing abilities of rapeseed oil by SSO in the lubrication of magnesium alloy against steel were ascribed to the formation of a composite boundary lubrication film due to the strong adsorption of SSO and rapeseed oil onto the lubricated surfaces and their tribochemical reactions with magnesium alloy.

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Friction and Wear Performances of Magnesium Alloy against Steel under Lubrication of Rapeseed Oil with N-Containing Additive

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.562-564.350 ◽

2012 ◽

Vol 562-564 ◽

pp. 350-354

Author(s):

Jian Hua Fang ◽

Jiu Wang ◽

Jiang Wu ◽

Bo Shui Chen ◽

Ling Dong

Keyword(s):

Magnesium Alloy ◽

Rapeseed Oil ◽

Friction And Wear ◽

Chemical Species ◽

Bearing Steel ◽

X Ray ◽

Lubrication Film ◽

Gcr15 Bearing Steel ◽

Strong Adsorption ◽

Wear And Friction

A N-containing additive, amide type modified rapeseed oil (named as NRO), was prepared by chemical modification of rapeseed oil and characterized by infrared spectrum The friction and wear performances of AZ91D magnesium alloy against GCr15 bearing steel under the lubrication of rapeseed oil formulated with NRO were evaluated on a SRV tribotester. The topographies and the chemical species of the worn surfaces of magnesium alloy were analyzed by a scanning electron microscope (SEM) and an X-ray photoelectron spectroscope (XPS), respectively. The results indicated that the friction and wear of the magnesium alloy—steel tribomates could be effectively reduced by formulating NRO into rapeseed oil lubricant. The friction coefficients and the wear volumes of magnesium alloy decreased with increasing contents of NRO. The surface lubricated with NRO-doped rapeseed oil was characterized by less wear as compared with that lubricated with neat rapeseed oil. The enhanced anti-wear and friction-reducing abilities of rapeseed oil by NRO in the lubrication of magnesium alloy against steel were ascribed to the formation of a composite boundary lubrication film due to the strong adsorption of NRO and rapeseed oil onto the lubricated surfaces and their tribochemical reactions with magnesium alloy.

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Friction and wear performances of magnesium alloy against steel under lubrication of rapeseed oil with S-containing additive

Transactions of Nonferrous Metals Society of China ◽

10.1016/s1003-6326(11)61105-9 ◽

2011 ◽

Vol 21 (12) ◽

pp. 2649-2653 ◽

Cited By ~ 8

Author(s):

Jian-hua FANG ◽

Fu-sheng PAN ◽

Bo-shui CHEN ◽

Jiang WU ◽

Ling DONG

Keyword(s):

Magnesium Alloy ◽

Rapeseed Oil ◽

Friction And Wear

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Effect of boron-nitrogen modified soybean oil additive on biodegradability, anti-oxidation property, and lubricity of rapeseed oil

Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology ◽

10.1177/1350650119861785 ◽

2019 ◽

Vol 234 (2) ◽

pp. 282-291 ◽

Cited By ~ 1

Author(s):

Ping Liu ◽

Xin Wang ◽

Jiang Wu ◽

Wang Lin ◽

Yanhan Feng ◽

...

Keyword(s):

Thermal Stability ◽

Soybean Oil ◽

Rapeseed Oil ◽

Energy Dispersive Spectrometer ◽

Thermo Gravimetric Analysis ◽

Gravimetric Analysis ◽

Modified Soybean Oil ◽

Wear And Friction ◽

Friction Reducing ◽

Boron Nitrogen

Two novel boron-nitrogen modified soybean oil additives with different length of chain structures (abbreviated as BNS1 and BNS2) were synthesized. The thermal stability of BNS1 and BNS2 was evaluated by thermo-gravimetric analysis. The effect of the as-synthesized additives on the biodegradability, anti-oxidation property, and lubricity in rapeseed oil was evaluated by respective standard method. Moreover, the morphology and tribochemical characteristics of the worn surfaces were examined by scanning electron microscope assembled with energy dispersive spectrometer. The results indicated that BNS1 and BNS2 both possess good thermal stability; BNS1 slightly impairs the biodegradability of rapeseed oil, but BNS2 facilitates the biodegradability of rapeseed oil. BNS1 and BNS2 could improve the anti-wear and friction-reducing performance of the rapeseed oil, but BNS1 exhibited better anti-wear ability as compared to that of BNS2, BNS2 exhibited better anti-wear ability in reducing friction coefficients as compared to that of BNS1. The enhanced anti-wear and friction-reducing abilities of rapeseed oil were ascribed to the formation of a composite boundary lubrication film due to the strong adsorption of BNS1 or BNS2 and rapeseed oil onto the lubricated surfaces and their tribochemical reactions with metal surfaces. BNS1 and BNS2 could both facilitate the anti-oxidation properties of the rapeseed oil.

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Effect of Boron-Nitrogen Containing Modified Soybean Oil Lubricating Additive on Friction and Wear Behavior of Steel-Steel and Steel-Aluminum Alloy Systems

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.380-384.8 ◽

2013 ◽

Vol 380-384 ◽

pp. 8-11

Author(s):

Jian Hua Fang ◽

Bo Shui Chen ◽

Jiu Wang ◽

Jiang Wu

Keyword(s):

Aluminum Alloy ◽

Soybean Oil ◽

Friction And Wear ◽

Wear Behavior ◽

Al Alloy ◽

Friction And Wear Behavior ◽

Modified Soybean Oil ◽

Boron Nitrogen ◽

Alloy Systems ◽

Worn Surfaces

A type of new environmentally friendly lube additive---boron-nitrogen modified soybean oil was synthesized and characterized by infrared spectrum. Its effect on the friction and wear behavior of steel-steel and steel-aluminum alloy systems were investigated with a four-ball machine and an Optimol SRV friction and wear tester respectively. The morphographies of the worn surfaces were analyzed by means of scanning electron microscopy (SEM).The worn surfaces of the 2024Al alloy block were analyzed by means of X-ray photoelectron spectroscopy (XPS).The results show that the type of modified soybean oil as additives can obviously decrease the wear rate and friction coefficient of steel pair and steel-aluminum frictional pair. Its lubrication mechanism is inferred that a high strength adsorption film and/or tribochemistry reaction film on the worn surface of the Al alloy due the carrier effect of a long chain soybean oil, high reaction activities of nitrogen, electron-deficient of boron and their synergisms.

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Sliding Friction and Wear Behavior of GCr15 Bearing Steel at Different Temperatures

Solid State Phenomena ◽

10.4028/www.scientific.net/ssp.324.35 ◽

2021 ◽

Vol 324 ◽

pp. 35-42

Author(s):

Dong Yue Wang ◽

Rong Chang Xu ◽

Dian Xiu Xia ◽

Shou Ren Wang ◽

Ying Chao Pei ◽

...

Keyword(s):

Friction And Wear ◽

Room Temperature ◽

Sliding Friction ◽

Wear Behavior ◽

Testing Machine ◽

Bearing Steel ◽

Wear Testing ◽

Fatigue Wear ◽

Gcr15 Bearing Steel ◽

Electron Image

The effects of temperature on the friction and wear properties of GCr15 were studied by using a RETC multifunctional friction and wear testing machine. The microstructure characterization of the worn surface of the experimental steel was studied by means of metallographic microscope (OM), white light interferometer, secondary electron image (SEI) and back scattered electron image (BEI).The results show that the wear resistance of GCr15 bearing steel at room temperature is better than that at 100°C, 150°C and 200°C. At room temperature, the main wear forms of GCr15 are adhesion wear and fatigue wear. However, at 100°C, 150°C, 200°C, the friction coefficient and oxidation degree in the wear zone first increase and then decrease with the increase of temperature, and the wear form is mainly oxidized wear, accompanied by abrasive wear.

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The Preparation and Tribological Behaviors of Boron-Nitrogen Containing Modified Soybean Oil as Additives for Lubricating Oil

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.622-623.561 ◽

2012 ◽

Vol 622-623 ◽

pp. 561-565

Author(s):

Jian Hua Fang ◽

Bo Shui Chen ◽

Jiu Wang ◽

Jiang Wu

Keyword(s):

Soybean Oil ◽

Rapeseed Oil ◽

High Strength ◽

Lubricating Oil ◽

Al Alloy ◽

Carrier Effect ◽

Modified Soybean Oil ◽

Load Carrying ◽

Worn Surface ◽

Boron Nitrogen

A type of new environmentally friendly lube additive----boron-nitrogen containing modified soybean oil was synthesized and characterized by infrared spectrum. Its tribological properties in rapeseed oil were tested on the four balls tester. The morphographies and tribochemical species of the worn surfaces were analyzed by means of Scanning Electron Microscope (SEM) and X--ray Photoelectron Spectroscope (XPS). The results show that the type of modified soybean oil as additives can obviously increase the load-carrying capacity 、anti-wear and friction-reducing abilities of rapeseed oil. Its lubrication mechanism is inferred that a high strength adsorption film and/or tribochemistry reaction film on the worn surface of the Al alloy due the carrier effect of a long chain rapeseed oil, high reaction activities of nitrogen, electron-deficient of boron and their synergisms.

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Experimental Analysis of Friction and Wear of Laser Microtextured Surface Filled With Composite Solid Lubricant and Lubricated With Grease on Sliding Surfaces

Journal of Tribology ◽

10.1115/1.4034617 ◽

2017 ◽

Vol 139 (2) ◽

Cited By ~ 8

Author(s):

Xijun Hua ◽

Julius Caesar Puoza ◽

Jianguo Sun ◽

Peiyun Zhang ◽

Jinghu Ji ◽

...

Keyword(s):

Friction And Wear ◽

Solid Lubricant ◽

Bearing Steel ◽

Textured Surface ◽

Plain Bearing ◽

Textured Surfaces ◽

Gcr15 Bearing Steel ◽

Steel Material ◽

Working Performance ◽

Composite Solid

Experimental studies of friction and wear on textured surfaces filled with composite solid lubricant and lubricated with grease were conducted on a sliding plain bearing to enhance the working performance and lifetime under different conditions. Circular microdimples of different diameters were fabricated on GCr15 bearing steel specimens using the semiconductor sound and light pumped Nd:YAG laser machining equipment. Ring-on-ring tribological test configuration with GCr15 tribopairs under a combined non-Newtonian lubrication of grease and composite lubricant was performed. The results showed that the surface textures on specimen GCr15 bearing steel material filled composite solid lubricant and lubricated with grease (TLG), reduced the friction by 27%, 46%, and 75% of the grease only (TG), solid lubricant only (TL), and nonlubricated (T) specimens, respectively. The textured specimen with dimple diameter of 109 μm lowered the maximum coefficient of friction by 38% and enhanced the antiwear properties of GCr15 bearing steel material remarkably. This indicated that grease has great potential in promoting service life and working performance of sliding plain bearing when combined with composite solid lubricant in a laser-textured surface. It is therefore beneficial for applications in the machinery and automotive components industries in saving energy and reducing CO2 emission.

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