Effect of Heat Treatment on Microstructure and High Temperature Wear Properties of High Boron Medium Carbon Alloy

Xiao Li Shi; Ye Hua Jiang; Zu Lai Li; Jun Tan

doi:10.4028/www.scientific.net/MSF.816.581

Paper Titles

Interface Reaction between Ti₃Al-based Alloy and Oxide Mold
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Effect of Recrystallization on Crack Initiation and Propagation during Creep in a Directionally Solidified Ni-Based Superalloy
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Microstructures and Creep Behavior of As-Cast TiAl-Nb Alloy
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New-Type Co-Based Superalloys Designed by CALPHAD Method
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Effect of Heat Treatment on Microstructure and High Temperature Wear Properties of High Boron Medium Carbon Alloy
p.581

Microstructure and Mechanical Properties of a New Ni-Cr-Fe-W-Al Alloy for Advanced Ultra-Supercritical Power Plants
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Effect of Mo Addition on the Grain Growth of IN718 Alloy
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Effect of Rhenium on Microstructure of Directionally Solidified Ni-Based Superalloys with High Chromium Content
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Microstructure and Element Segregation of Ni-Base Superalloy Casting with Radiation and Liquid-Metal Cooling
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HomeMaterials Science ForumMaterials Science Forum Vol. 816Effect of Heat Treatment on Microstructure and...

Effect of Heat Treatment on Microstructure and High Temperature Wear Properties of High Boron Medium Carbon Alloy

Abstract:

The microstructures and 500 °C high temperature wear properties of a high boron medium carbon alloy (HBMCA) quenched at 950 °C and then tempered at 500 °C were investigated, compared with a typical high speed steel (HSS). The results showed that the matrix structure of HBMCA after heat treatment was tempered sorbite. The content of herringbone-like and rodlike eutectic decreased. Hard phase precipitation (boron carbon compounds, e.g.M₂₃ (C, B)₆, MB and M₃B₂) increased in the matrix. And the abrasion resistance of HBMCA after heat treatment at high temperature was 2.39 times of a typical HSS for roller. The wear mechanism of HSS at high temperature is a typical oxide fatigue wear mechanism, while as-quenched HBMCA is oxidation, adhesive wear mechanism.

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Materials Science Forum (Volume 816)

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581-585

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.816.581

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Online since:

April 2015

Authors:

Xiao Li Shi, Ye Hua Jiang, Zu Lai Li, Jun Tan

Keywords:

High Boron Medium Carbon Alloy, High Temperature Wear Properties, Oxidation Wear, Quenching

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