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含铜铸钢件塑性不合原因分析及改进措施

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对含铜铸钢件力学性能检测试样断口宏观形貌、微观形貌、金相组织、化学成分等进行分析,确定该含铜铸钢件塑性不合的原因,提出改进措施.经扩氢理论计算和生产实践验证,采用对应措施后,该含铜铸钢件的塑性得到改善提升.
Reason Analysis and Improvement Measures of Unqualified Plasticity of Copper-containing Steel Casting
This paper analyzes the macro morphology,micro morphology,metallographic structure,chemical composition and other properties of the fracture surface of the mechanical property test sample of copper-containing steel casting to determine the reason of unqualified plasticity and propose its improvement measures.By theoretical calculation of hydrogen expansion and production verification,plasticity of the copper-containing steel casting is improved after taking corresponding measures.

Copper-containing steel castingdehydrogenation heat treatmenthydrogen expansion calculation

张洪生、付晓虎、许诺

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天津重型装备工程研究有限公司,天津 300457

含铜铸钢件 去氢热处理 扩氢计算

2023

10.3969/j.issn.1673-3355.2023.06.005

一重技术
一重集团大连设计研究院有限公司

一重技术

影响因子：0.142
ISSN：1673-3355
年,卷(期)：2023.(6)
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