| GCr15轴承钢高温力学性能的研究 |
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| 引用本文： | 朱立光,路文刚.GCr15轴承钢高温力学性能的研究[J].特殊钢,2007,28(4):7-9. |
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| 作者姓名： | 朱立光 路文刚 |
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| 作者单位： | 河北理工大学冶金与能源学院，唐山063009 |
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| 基金项目： | 河北省科学技术研究与发展计划 |
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| 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℃。
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| 关 键 词： | GCr15轴承钢 连铸坯 高温力学性能 |
| 收稿时间： | 2007-02-25 |
| 修稿时间： | 2007-02-25 |
A Study on High Temperature Mechanical Properties of GCr15 Bearing Steel |
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| Zhu Liguang,Lu Wengang.A Study on High Temperature Mechanical Properties of GCr15 Bearing Steel[J].Special Steel,2007,28(4):7-9. |
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| Authors: | Zhu Liguang Lu Wengang |
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| Affiliation: | College of metallurgy and Energy, Hebei Polytechnic University, Tangshan 063009 |
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| 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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| Keywords: | GCr15 Bearing Steel Cast Billet High Temperature Mechanical Property |
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