| 45钢制垫片裂纹分析 |
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| 引用本文： | 王晓凯,张晓雪,张雪明. 45钢制垫片裂纹分析[J]. 哈尔滨轴承, 2013, 0(4): 17-17,33 |
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| 作者姓名： | 王晓凯 张晓雪 张雪明 |
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| 作者单位： | [1]哈尔滨轴承集团公司质量控制部,黑龙江哈尔滨150036 [2]哈尔滨轴承集团公司工具分厂,黑龙江哈尔滨150036 |
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| 摘 要： | 45钢制垫片经800淬火，450回火后，用裂纹显示液检查发现一件工件疑似淬火裂纹（总计35件），经反复试验检验证明，该疑似裂纹应为非金属夹杂物所致，属原材料缺陷。
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| 关 键 词： | 淬火 回火 疑似裂纹 非金属夹杂物 原材料缺陷 |
Crack analysis on 45 steel shim |
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| Wang Xiaokai,Zhang Xiaoxue,Zhang Xueming. Crack analysis on 45 steel shim[J]. JOurnal of Harbin Bearing, 2013, 0(4): 17-17,33 |
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| Authors: | Wang Xiaokai Zhang Xiaoxue Zhang Xueming |
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| Affiliation: | 1.Department of Quality Control,Harbin Bearing Group Corporation,Harbin 150036,China;2.Tool Sub-factory, Harbin Bearing Group Corporation,Harbin 150036,China) |
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| Abstract: | After being quenched at 800℃ and tempered at 450℃, it tbund that one piece of 45 steel shim （35 pieces totally） have suspected quenching crack while being inspected with crack inspecting fluid. Through inspecting repeatedly, the suspected crack is raw material defect due to non-metallic inclusion. |
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| Keywords: | quenching tempering suspected crack non-metallic inclusion, raw material defect |
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