| 搬手头淬火开裂原因分析 |
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| 引用本文： | 白宝忠. 搬手头淬火开裂原因分析[J]. 热加工工艺, 2010, 39(4) |
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| 作者姓名： | 白宝忠 |
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| 作者单位： | 陕西工业职业技术学院设备科,陕西,咸阳,712000 |
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| 摘 要： | 通过宏观检验、微观检验、显微硬度测定及化学成分分析等方法,对45钢搬手头产生裂纹的原因进行分析.结果表明,搬手头内六方处的裂纹,是尖角效应引起应力集中而产生的应力集中裂纹;垂直于轴线的裂纹是因为淬火快速冷却时.厚壁处未淬透以及截面尺寸突变产生的弧形裂纹.
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| 关 键 词： | 搬手头 淬火裂纹 弧形裂纹 尖角效应 应力集中 |
Analysis of Quenched Cracking on Move-on-hand |
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| BAI Baozhong. Analysis of Quenched Cracking on Move-on-hand[J]. Hot Working Technology, 2010, 39(4) |
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| Authors: | BAI Baozhong |
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| Affiliation: | BAI Baozhong (Equipment Section,Shaanxi Polytechnic Institute,Xianyang 712000,China) |
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| Abstract: | Through macroscopic methods,microscopic examination,micro hardness measurement and chemical composition analysis,the reason of quenched crack of 45 steel move-on-hand was analyzed.The results show that the crack of the department within the six-party of the move-on-hand is caused by stress concentration on the acute angle effect.Crack perpendicular to the axis is caused on too rapid quench cooling,non-hardenability of the thick-walled department,as well as mutation of cross-section size.This is a typical ar... |
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| Keywords: | move-on-hand hardening crack arc-shaped crack acute angle effect stress concentration |
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