A Study on High Temperature Mechanical Properties of GCr15 Bearing Steel

朱立光; 路文刚

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A Study on High Temperature Mechanical Properties of GCr15 Bearing Steel

更新时间：2026-01-21

- A Study on High Temperature Mechanical Properties of GCr15 Bearing Steel
- Special Steel Vol. 28, Issue 4, Pages: 7-9(2007)
- 作者机构：
  
  河北理工大学冶金与能源学院,唐山,063009
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：25 February 2007，
  
  Online First：03 January 2023，
  
  Published：03 January 2007
- 稿件说明：
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朱立光, 路文刚. A Study on High Temperature Mechanical Properties of GCr15 Bearing Steel[J]. Special Steel, 2007, 28(4): 7-9.
DOI：

朱立光, 路文刚. A Study on High Temperature Mechanical Properties of GCr15 Bearing Steel[J]. Special Steel, 2007, 28(4): 7-9. DOI：

摘要

用Gleeble-3500热模拟试验机测试了GCr15(0.98%C、1.51%Cr)轴承钢连铸坯的高温力学性能

得出GCr15钢的零塑性温度为1400℃

零强度温度为1450℃

良好塑性区为1250～950℃

第Ⅲ脆性区为950～600℃

并用扫描电镜分析了塑性区与脆性区的断口形貌。研究结果表明

GCr15钢连铸坯的矫直温度应控制≥950℃。

Abstract

High temperature mechanical properties of cast billet of CCr15 bearing steel (0.98%C

1.51% Cr) have been tested by using Gleeble-3500 thermal simulation test machine to get that zero plastic temperature (ZDT)of GCr15 steel- 1400 ℃

zero strength temperature- 1450 ℃

optimum plastic temperature range of billet - 1250~950 ℃ and Ⅱ brittle temperature range-950~600 ℃. The fracture morphology of billet at plastic temperature range and brittle temperature range was analyzed by SEM. The study results show that the straightening temperature of cast billet should be controlled ≥950 ℃.

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