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Reason analysis of cracks on the outside surface after gun barrel chromium-plating
Pages: 94-96
Year: Issue:  5
Journal: Ordnance Material Science and Engineering

Abstract: 炮管内膛镀铬后,部分炮管外表面出现裂纹.分析炮管加工和镀铬过程,认为导致开裂的原因是自紧和加工过程的残余应力在局部应力集中,在镀铬过程的强酸强碱介质中引起了应力腐蚀破裂和氢裂.阐述了防止裂纹产生的有效技术措施.
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