The Influence of Surface Welding Using EDTCrMnSi Special Wire on the Wear Resistance of 16Mn Steel

2018 ◽  
Vol 764 ◽  
pp. 78-85 ◽  
Author(s):  
Hong Xiang Wang ◽  
Xiao Xiao Li ◽  
Peng Zhan Ying ◽  
Hong Mei Yin
Keyword(s):  
Wear Resistance ◽  
Steel Plate ◽  
Working Environment ◽  
Steel Plates ◽  
Resistant Steel ◽  
Mining Equipment ◽  
Wear Resistant ◽  
Helical Blade ◽  
Surface Welding ◽  
16Mn Steel

Coal-winning machine is to break coal with rotating mechanism. Owing to the harsh working environment and large stress, the top-disc plate, helical blade and tooth holder in cylinder often lose their wear resistance, hence causing overhauling of the machine and influencing the production of coal. With the modernization of the production technology and mining equipment of coal, the mining intensity of coal constantly increases, which calls for higher wear resistance of the top-disc plate, helical blade and tooth holder in cylinder. Currently, many studies have been performed on the wear resistance of the tooth holder in cylinder, but rare on the wear-resistant technology and wear resistance of the top-disc plate and helical blade in cylinder. In this paper, 16Mn steel which is used in the top-disc plate and helical blade in the cylinder of coal-winning machine was welded based on surfacing technology using EDTCrMnSi special wire to obtain composite wear-resistant steel plates. Then wear tester was employed to compare the wear of 16Mn steel and composite wear-resistant steel plate. Meanwhile, metallographic microscope and x-ray fluorescence spectrometer (XRF) were used to observe the microstructure of the materials and analyze the types and contents of elements in the surfacing layers of the composite wear-resistant steel plate. Furthermore, the influence of surfacing technology on the wear resistance of the material was analyzed. The results showed that there existed high contents of Cr, Si and Mn in the surfacing layers of the top-disc plate and helical blade in cylinder of the coal-winning machine after welded based on surfacing technology. Moreover, the wear resistance and service life of matrix were largely improved.

scholarly journals Effect of Tempering Temperature on Microstructures and Wear Behavior of a 500 HB Grade Wear-Resistant Steel

Metals ◽  
2019 ◽  
Vol 9 (1) ◽  
pp. 45 ◽  
Author(s):  
Erding Wen ◽  
Renbo Song ◽  
Wenming Xiong
Keyword(s):  
Electron Microscopy ◽  
Wear Resistance ◽  
Impact Toughness ◽  
Wear Behavior ◽  
Temper Embrittlement ◽  
Surface Hardness ◽  
Resistant Steel ◽  
Tempering Temperature ◽  
Wear Resistant ◽  
The Impact

The microstructure and wear behavior of a 500 Brinell hardness (HB) grade wear-resistant steel tempered at different temperatures were investigated in this study. The tempering microstructures and wear surface morphologies were studied by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The relationship between mechanical properties and wear resistance was analyzed. The microstructure of the steel mainly consisted of tempered martensite and ferrite. Tempered troosite was obtained when the tempering temperature was over 280 °C. The hardness decreased constantly with the increase of tempering temperature. The same hardness was obtained when tempered at 260 °C and 300 °C, due to the interaction of Fe3C carbides and dislocations. The impact toughness increased first and reached a peak value when tempered at 260 °C. As the tempering temperature was over 260 °C, carbide precipitation would occur along the grain boundaries, which led to temper embrittlement. The best wear resistance was obtained when tempered at 200 °C. At the initiation of the wear test, surface hardness was considered to be the dominant influencing factor on wear resistance. The effect of surface hardness improvement on wear resistance was far greater than the impact toughness. With the wear time extending, the crushed quartz sand particles and the cut-down burs would be new abrasive particles which would cause further wear. Otherwise, the increasing contact temperature would soften the matrix and the adhesive wear turned out to be the dominant wear mechanism, which would result in severe wear.

Deformation Control in Wear-Resistant Steel Quenching Process

2011 ◽  
Vol 52-54 ◽  
pp. 595-600 ◽  
Author(s):  
Dong Mei Zhu ◽  
Shao Jun Zhang ◽  
Guo Yong Liu
Keyword(s):  
Production Efficiency ◽  
Steel Plate ◽  
Work Conditions ◽  
Cooling Zone ◽  
Resistant Steel ◽  
Wear Resistant ◽  
Deformation Control ◽  
Quenching Process ◽  
Plate Shape ◽  
Manufacturing Yield

Computation model for TNM360 wear-resistant steel quenching process is established by finite element method. Four work conditions are designed for studying the effect of different location of cooling zone on quenching plate shape. And the temperature field and stress-strain field under four work conditions are calculated through the established model. For 20mm thick steel plate, the effect of uneven cooling of the front of cooling zone on the plate shape is larger than that of the rear of cooling zone. Under different work conditions, the effect of thermal stress on plate shape is different with phase transition stress. The results of the study provide important theoretical basis to control wear-resistant steel plate shape and improve production efficiency and manufacturing yield.

scholarly journals Self-Grinding Silage Knife Strengthened with Ni–WC Alloy Prepared by Laser Cladding

2021 ◽  
Vol 11 (21) ◽  
pp. 10236
Author(s):  
Lingfeng Xu ◽  
Zhanhua Song ◽  
Mingxiang Li ◽  
Fade Li ◽  
Jing Guo ◽  
...  
Keyword(s):  
Wear Resistance ◽  
Service Life ◽  
Impact Toughness ◽  
Laser Cladding ◽  
Cutting Tools ◽  
Field Tests ◽  
Working Environment ◽  
Wear Resistant ◽  
Dense Microstructure ◽  
The Impact

The working environment of agricultural cutting tools is poor, and the operational quality and efficiency are reduced after they become blunt. This study aimed to develop a high wear-resistant agriculture knife with a long life. A Ni–WC alloy, wear-resistant layer was prepared using laser cladding technology on one side of the cutting edge of a 65 Mn silage knife. A self-grinding edge was formed when the cladded knife was used, which improved the cutting quality and service life of the knife. The microstructure, phase, composition, and hardness distribution of the cladding layer were detected and analyzed. The impact toughness and wear resistance of the laser-cladded samples were analyzed, and the cladded knife was tested in the field. The results show that a cladded layer with a dense microstructure formed metallurgical bonds with the substrate. The microhardness was uniform across the cladded layer, and the average hardness of the micro Vickers was approximately 1000 HV(0.2), which was approximately three times the hardness of the substrate. The impact toughness and wear resistance of the coated knife were obviously higher than those of uncoated knives. The field tests showed that compared with a conventional 65 Mn knife, the self-grinding knife with laser cladding could maintain its sharp cutting shape after operation for 76 h, which greatly extended the service life of the knife. This study improved the service life of an agricultural cutting tool, which enhanced the cutting performance and efficiency at the same time.

DILLIDUR 500V

Alloy Digest ◽  
2012 ◽  
Vol 61 (1) ◽  
Keyword(s):  
Fracture Toughness ◽  
Wear Resistance ◽  
Physical Properties ◽  
Tensile Properties ◽  
Room Temperature ◽  
Surface Hardness ◽  
Heat Treating ◽  
Transport Systems ◽  
Resistant Steel ◽  
Wear Resistant

Abstract Dillidur 500V is a water hardened wear-resistant steel with surface hardness at room temperature of 470-530 HB. It has the highest wear resistance of the Dillidur steels. It is used in the production of transport systems, earth-moving plants, recycling plants, and stone crushers. This datasheet provides information on composition, physical properties, hardness, and tensile properties as well as fracture toughness. It also includes information on wear resistance and surface qualities as well as forming, heat treating, machining, and joining. Filing Code: SA-641. Producer or source: Dillinger Hütte GTS.

CREUSABRO 4800

Alloy Digest ◽  
2008 ◽  
Vol 57 (5) ◽  
Keyword(s):  
Fracture Toughness ◽  
Wear Resistance ◽  
High Temperature ◽  
Tensile Properties ◽  
Work Hardening ◽  
High Performance ◽  
Resistant Steel ◽  
Wear Resistant ◽  
Temperature Performance ◽  
Efficient Work

Abstract Creusabro 4800 is a high-performance wear-resistant steel exhibiting better resistance than other quenched steels with a hardness of 400 HB. This 4800 alloy uses a combination of fine distribution of microcarbides and an efficient work hardening in service to achieve wear resistance. This datasheet provides information on composition, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on high temperature performance and wear resistance as well as forming, machining, and joining. Filing Code: SA-579. Producer or source: Industeel USA, LLC.

JFE EVERHARD EH-SP

Alloy Digest ◽  
2007 ◽  
Vol 56 (9) ◽  
Keyword(s):  
Wear Resistance ◽  
Steel Plate ◽  
Heat Treating ◽  
Resistant Steel ◽  
Conventional Plate ◽  
Steel Corporation ◽  
Better Than

Abstract JFE produces 11 grades of abrasion-resistant steel plate. This alloy, EH-SP, is made with the emphasis on performance better than conventional plate with a hardness of 500 HB. This datasheet provides information on composition and hardness. It also includes information on wear resistance as well as forming, heat treating, machining, and joining. Filing Code: SA-574. Producer or source: JFE Steel Corporation.

JFE EVERHARD STANDARD SERIES

Alloy Digest ◽  
2007 ◽  
Vol 56 (7) ◽  
Keyword(s):  
Wear Resistance ◽  
Tensile Properties ◽  
Steel Plate ◽  
Resistant Steel ◽  
Bend Strength ◽  
Standard Series ◽  
Steel Corporation

Abstract JFE produces 11 grades of abrasion-resistant steel plate. The five grades in this standard series are made with the emphasis on hardness. This datasheet provides information on composition, hardness, tensile properties, and bend strength. It also includes information on wear resistance as well as forming, machining, and joining. Filing Code: SA-569. Producer or source: JFE Steel Corporation.

FORA 360

Alloy Digest ◽  
2015 ◽  
Vol 64 (3) ◽  
Keyword(s):  
Wear Resistance ◽  
Tensile Properties ◽  
Resistant Steel ◽  
Bend Strength ◽  
Wear Resistant

Abstract Fora 360 is wear resistant steel. It is martensitic with a minimum HB hardness of 360. This datasheet provides information on composition, hardness, tensile properties, and bend strength. It also includes information on wear resistance as well as forming, machining, and joining. Filing Code: SA-720. Producer or source: Industeel Belgium.

FORA 450

Alloy Digest ◽  
2011 ◽  
Vol 60 (4) ◽  
Keyword(s):  
Wear Resistance ◽  
Tensile Properties ◽  
Martensitic Steel ◽  
Resistant Steel ◽  
Wear Resistant

Abstract FORA 450 is a wear resistant steel with a minimum HB hardness of 450. This water quenched martensitic steel is used in truck bodies. This datasheet provides information on composition, hardness, and tensile properties. It also includes information on wear resistance as well as forming, machining, and joining. Filing Code: SA-624. Producer or source: Industeel Belgium.

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