| 热冲125榴弹弹体毛坯表面缺陷产生原因的分析 |
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| 引用本文： | 柳永浩,刘荣宾.热冲125榴弹弹体毛坯表面缺陷产生原因的分析[J].鞍钢技术,1997(11):38-40. |
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| 作者姓名： | 柳永浩 刘荣宾 |
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| 作者单位： | [1]鞍钢技术中心 [2]鞍钢无缝厂 |
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| 摘 要： | 鞍山钢铁（集团）公司生产的８２３钢１１５ｍｍ方坯热冲弹性毛坯存在明显的表面缺陷（裂缝和孔洞），造成毛坯件失效。对有缺陷的弹性毛坯件的定心桩和弹体壁部位取样进行金相检验，查明此缺陷是由于热冲方坯料在加热过程中局部过热和过烧所致。
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| 关 键 词： | 热冲击 手榴弹 毛坯 表面缺陷 加热 钢 金相分析 |
Analysis of Defects on Stock Surface of Hot Stamped 125 Grenade Body |
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| Liu Yonghao;.Analysis of Defects on Stock Surface of Hot Stamped 125 Grenade Body[J].Aisc Techniques,1997(11):38-40. |
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| Authors: | Liu Yonghao; |
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| Affiliation: | Liu Yonghao; (ASIC Technology centre)Liu Rongbin (AISC Seamless Steel pipe Plant) |
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| Abstract: | Obvious surface defects (crack and cavity) of hot stamped grenade body stock of 823 steel 115mm square billet rolled in AISC lead to failure of stock. Samples from centering pile and grenade body wall with defects have been analyzed by metallo-graphic test and the result shows that the surface defects were caused by local overheat and overfiring during process of hot stamped. square billet. |
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| Keywords: | hot stamp grenade stock surface defect |
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