scholarly journals The Effect of Vanadium Content Coupling with Heat Treatment Process on the Properties of Low-Vanadium Wear-Resistant Alloy

Materials ◽  
2021 ◽  
Vol 15 (1) ◽  
pp. 285
Author(s):  
Tao Jiang ◽  
Shizhong Wei ◽  
Liujie Xu ◽  
Cheng Zhang ◽  
Xiaodong Wang ◽  
...  
Keyword(s):  
Heat Treatment ◽  
Wear Resistance ◽  
Manufacturing Industry ◽  
High Hardness ◽  
Bimodal Distribution ◽  
Vanadium Content ◽  
Homogeneous Distribution ◽  
Wear Property ◽  
Wear Resistant ◽  
Resistant Alloy

The development of wear-resistant materials with excellent properties is of great research value in the manufacturing industry. In this paper, a new kind of low-vanadium wear-resistant alloy was designed and characterized to unveil the influence of vanadium content coupling with heat treatment on the microstructure, hardness, and abrasive wear property. The performances of commercial high chromium cast iron (HCCI) and the new low-vanadium wear-resistant alloy are compared. The alloy with 3 wt.% vanadium quenched at 900 °C and tempered at 250 °C, possessing VC, Mo2C, and M7C3 distributed in the martensite matrix, displayed a wear resistance two times better than the HCCI. The results showed that the increase of vanadium content from 0.98 wt.% to 3.00 wt.% resulted in a decrease in the size of M7C3 and a more homogeneous distribution of M7C3. VC with a bimodal distribution is effective for impeding grooving or indenting by abrasives because of their high hardness, which plays a vital role in improving the wear resistance of low-vanadium wear-resistant alloy.

scholarly journals Machinability and related properties of austempered ductile iron: A review

2018 ◽  
Vol 12 (4) ◽  
pp. 4180-4190
Author(s):  
Ananda Hegde ◽  
Sathyashankara Sharma ◽  
Gowri Shankar M. C
Keyword(s):  
Mechanical Properties ◽  
Heat Treatment ◽  
Wear Resistance ◽  
Ductile Iron ◽  
High Hardness ◽  
Austempered Ductile Iron ◽  
Spheroidal Graphite ◽  
Light Weight ◽  
Sg Iron

When the ductile iron which is also known as Spheroidal Graphite (SG) iron, is subjected to austempering heat treatment, the material is known as austempered ductile iron (ADI). This material has good mechanical properties and has various applications in different fields. This revolutionary material with its excellent combination of strength, ductility, toughness and wear resistance has the potential to replace some of the commonly used conventional materials such as steel, aluminium and other light weight alloys as it offers production advantage as well. One of the problems encountered during manufacturing is machining of ADI parts owing to its high hardness and wear resistance. Many researchers over a period of time have reported the machinability aspects of the ADI. This paper presents a review on the developments made on the machinability aspects of ADI along with other mechanical properties.

Laser Cladding of Ni60/WC/TiN Composite Coatings on 00Cr13Ni4Mo Hydro Turbine Blade Stainless Steel for Improvement of Wear Resistance

2012 ◽  
Vol 430-432 ◽  
pp. 101-105
Author(s):  
Kai Jin Huang ◽  
Hua Rui Jiang ◽  
Xin Lin
Keyword(s):  
Stainless Steel ◽  
Wear Resistance ◽  
Turbine Blade ◽  
Laser Cladding ◽  
Composite Coatings ◽  
High Hardness ◽  
Dry Sliding Wear ◽  
Wear Property ◽  
Hydro Turbine ◽  
Wear Condition

To improve the wear property of 00Cr13Ni4Mo hydro turbine blade stainless steel, Ni-based composite coatings were fabricated on 00Cr13Ni4Mo stainless steel by laser cladding using mixed powders of Ni60, WC and TiN. The microstructure of the coatings was characterized by XRD and SEM techniques. The wear resistance of the coatings was evaluated under dry sliding wear condition at room temperature. The results show that the coatings mainly consist of Ni-based solid solution, WC and TiN phases. The coatings exhibit excellent wear resistance due to its high hardness of WC and TiN phases. The main wear mechanisms of the coatings and the 00Cr13Ni4Mo sample are different, the former is abrasive wear and the latter is adhesive wear.

How Third-Body Processes Affect Friction and Wear

MRS Bulletin ◽  
1998 ◽  
Vol 23 (6) ◽  
pp. 37-40 ◽  
Author(s):  
Irwin L. Singer
Keyword(s):  
Wear Resistance ◽  
Shear Strength ◽  
Friction And Wear ◽  
High Hardness ◽  
Rolling Contact ◽  
Sliding Contact ◽  
Third Body ◽  
Talcum Powder ◽  
Great Cost ◽  
Wear Resistant

Materials designed for rolling or sliding contact, like corrosion-resistant materials, can provide great cost savings to industry. So why can't such “tribomaterials” be designed based on materials properties that control friction and wear? In recent years, it has become clear that the properties we need to understand are not only those of the starting materials—whether bulk solids or engineered surfaces—but also those of the materials generated within the sliding (or rolling) contact, the so-called “third-body” materials. This article reviews third-body processes and their role in controlling friction and wear of practical surface treatments.It may seem odd that properties like slipperiness and wear resistance can be easily described but are not scientifically understood. We can feel that polytetrafluoroethylene is slippery but know that it is not very wear-resistant because we can scratch it with a fork. We can sense low friction when we rub talcum powder between our fingers but know it cannot lubricate indefinitely because it gets ejected as we rub. Is it contradictory to ask for materials that are both slippery and wear-resistant? Slipperiness is associated with low shear strength whereas wear resistance is modeled on high hardness—that is, high shear strength. Before we can answer this seeming contradiction, it is useful to review some aspects of friction and wear.More than 50 years ago, Bowden and Tabor explained how a low shearstrength film can reduce the friction coefficient between two higher shearstrength materials in sliding contact.

Microstructure and Wear Property of Zn-Al Alloy Reinforced with Carbonized Rice Husks

2012 ◽  
Vol 463-464 ◽  
pp. 494-498
Author(s):  
Su Qiu Jia ◽  
Yun Hai Ma ◽  
Jin Tong ◽  
Guo Jun Liu
Keyword(s):  
Heat Treatment ◽  
Wear Resistance ◽  
The State ◽  
Al Alloy ◽  
Wear Property ◽  
Rice Husks ◽  
Semi Solid

Zn-Al composites with carbonized rice husks were prepared by permanent mould. Microstructure and wear property of Zn-Al composites were measured under the condition of as-cast heated at 375 °C and 430 °C corresponding to solid and semi-solid range. The microstructure of as-cast, heated at 375 °C and 430 °C were different. The microstructure of as-cast Zn-Al alloy revealed primary a dendrites (α) and eutectoid α+η (α,rich Al, η rich Zinc)phases. The microstructure of ZA alloy with carbonized rice husks was fine dendrites for heated at 375 °C and second and third dendrites were almost dispersed. After semi-solid treatment, the microstructure of Zn-Al composites presented quasi-round or round and large with time prolonger. The hardness of Zn-Al composites rose with carbonized rice husks and increased slightly by heat treatment. Wear resistance of Zn-Al composites with carbonized rice husks improved significantly and increased with carbonized rice husks. But at the same amount of carbonized rice husks the wear resistance of the composite varied little regardless of being in the state of as-cast or heat treatment.

TLS D2

Alloy Digest ◽  
2008 ◽  
Vol 57 (2) ◽  
Keyword(s):  
Heat Treatment ◽  
Wear Resistance ◽  
Physical Properties ◽  
Tool Life ◽  
Tool Steel ◽  
Heat Treating ◽  
Size Change ◽  
Wear Resistant

Abstract TLS D2 is the most wear resistant of the commonly available grades of tool steel. It is deep hardening and has very low size change during heat treatment. However, because of its excellent wear resistance, it produces a low machinability rating. It is chosen when long tool life is required. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on wear resistance as well as heat treating and machining. Filing Code: TS-660. Producer or source: Timken Latrobe Steel.

Effect of carbides on the wear resistance of white cast iron alloyed with 12.7 wt.-% Cr and nickel

2020 ◽  
Vol 62 (8) ◽  
pp. 788-792
Author(s):  
Tanju Teker ◽  
S. Osman Yilmaz ◽  
Tekirdağ Teker
Keyword(s):  
Heat Treatment ◽  
Wear Resistance ◽  
Cast Iron ◽  
White Cast Iron ◽  
Volume Fraction ◽  
High Wear Resistance ◽  
Homogeneous Distribution ◽  
Nickel Concentration ◽  
Carbide Size ◽  
Wear Tests

Abstract White cast iron with about 12.7 wt.-% chromium was alloyed with Ni, W and Mo for heat treatment applications. Heat treatments were performed at a range of 850-1050 °C for 1 h in order to distribute M7C3 carbides homogeneously in an environment of high wear resistance. The contents of the C, Cr, Ni, Mo, Mn and Si elements selected for the alloys were similar, though a 6 wt.-% nickel concentration was chosen. Microstructural changes in the specimens were examined by scanning electron microscopy (SEM) and optical microscopy (OM). Macro-hardness, average carbide size and volume fraction were analyzed. Wear tests were carried out under different loads of 10, 20 and 30 N. It was seen that heat treatment changed the carbide size and homogeneous distribution of the carbides. Moreover, the addition of nickel to HCrWCI increased fracture toughness and reduced the wear rate.

Heat Treatment of Wear Resistant Steels for Mud Pumps

2016 ◽  
Vol 870 ◽  
pp. 181-184 ◽  
Author(s):  
S.M. Nikiforova ◽  
M.A. Filippov ◽  
A.S. Zhilin
Keyword(s):  
Heat Treatment ◽  
Wear Resistance ◽  
High Temperature ◽  
High Temperatures ◽  
Residual Austenite ◽  
Work Place ◽  
Temperature Quenching ◽  
Wear Resistant ◽  
Friction Hardening

Influence of different type heat treatment including high temperature quenching on wear resistance has been investigated. The two investigated steels are widely used in production of mud pumps. It was shown that Kh12MFL had better wear resistance in comparison with 150KhNML. Martensitic-carbide structure of the steels formed by quenching from high temperatures (900 – 1000 °С) induced good hardness (61 – 64 HRC). Analysis of the residual austenite contents influence on wear resistance was also made. It was determined that residual austenite formed after high temperature quenching (900 – 1000 °С) was metastable and had tendency to transform into carbon containing martensite of deformation. This allowed steels to have maximum wear resistance because of providing high abilities to friction hardening of the work place of the sample.

Effect of heat treatment on microstructure and property of high vanadium wear‐resistant alloy

2018 ◽  
Vol 49 (12) ◽  
pp. 1485-1493 ◽  
Author(s):  
L. Hui ◽  
F. Han‐Guang ◽  
J. Jiang ◽  
W. Jun
Keyword(s):  
Heat Treatment ◽  
Wear Resistant ◽  
Resistant Alloy

Microstructural and Mechanical Properties Changes of Silicon Nitride Based Ceramic Using Post-Sintering Heat Treatment

2012 ◽  
Vol 727-728 ◽  
pp. 1085-1091
Author(s):  
José Vitor C. Souza ◽  
O.M.M. Silva ◽  
E.A. Raymundo ◽  
João Paulo Barros Machado
Keyword(s):  
Mechanical Properties ◽  
Heat Treatment ◽  
Fracture Toughness ◽  
Grain Size ◽  
Wear Resistance ◽  
High Hardness ◽  
Gas Pressure ◽  
Low Density ◽  
Nitrogen Gas ◽  
Structural Applications

Si3N4based ceramics are widely researched because of their low density, high hardness, toughness and wear resistance. Post-sintering heat treatments can enhance their properties. Thus, the objective of the present paper was the development of a Si3N4based ceramic, suitable for structural applications, by sintering in nitrogen gas pressure, using AlN, Al2O3, and Y2O3as additives and post-sintering heat treatment. The green bodies were fabricated by uniaxial pressing at 80 MPa with subsequent isostatic pressing at 300 MPa. The samples were sintered at 1900°C for 1 h under N2gas pressure of 0.1 MPa. Post-sintering heat treatment was performed at 1500°C for 48 h under N2gas pressure of 1.0 MPa. From the results, it was observed that after post-sintering heat treatment there was a reduction of α-SiAlON phase and increase of β-Si3N4phase, with consequent changing in grain size, decrease of fracture toughness and increase of the Vickers hardness.

Research on the Effect of Heat Treatment Parameters of Rotary Tiller Blade on Anti-Wear Properties

2011 ◽  
Vol 391-392 ◽  
pp. 620-624
Author(s):  
Yong Ying Du ◽  
Dan Jin
Keyword(s):  
Heat Treatment ◽  
Wear Resistance ◽  
Orthogonal Design ◽  
Spring Steel ◽  
Wear Property ◽  
Wear Properties ◽  
Treatment Technology ◽  
Tempering Temperature ◽  
Resistance Property ◽  
Treatment Parameter

65Mn spring steel is mainly used for rotary blade which is a vulnerable part of farming machinery. The experiment of the wear-resistance property for 65Mn spring steel under different heat treatments is conducted. The results are discussed based on the regression orthogonal design. The wear-resistance property of 65Mn steel has been discussed by applying diverse heat treatment technology and the optimum parameters of heat treatment for the best anti-wear property are obtained through experiments. The influence of the parameters on anti-wear property is studied by applying the regression orthogonal design. The relation between the wear mass loss and diverse heat treatment parameters has been given by using planar and contour figure. The optimum heat treatment parameter for maximum anti-wear ability is obtained as following: 852.64 for quenching temperature, 18.36min for quenching time, and 145.44 for tempering temperature, respectively.

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