枪炮身管外自紧研究

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	英文篇名：Study on External Autofrettage of Gun Barrel 作者：杜中华 英文作者：DU Zhonghua;Shijiazhuang Campus of Army Engineering University; 关键词：自紧身管 ; 外自紧 ; 身管强度 ; 数值仿真 英文关键词：autofrettage barrel;;external autofrettage;;barrel strength;;numerical simulation 中文刊名：JXGU 英文刊名：Mechanical Engineer 机构：陆军工程大学石家庄校区; 出版日期：2019-06-10 出版单位：机械工程师 年：2019 期：No.336 语种：中文; 页：JXGU201906002 页数：4 CN：06 ISSN：23-1196/TH 分类号：9-11+14

摘要

目前枪炮自紧身管都是通过内自紧来实现的。文中提出用外自紧来完成身管自紧的设想,推导了外自紧相关理论公式,仿真分析了内、外自紧身管应力分布和强度的区别。研究标明:外自紧也能达到身管自紧的目的,外自紧身管强度低于内自紧身管。研究为自紧身管制造指出了新的思路。
        At present, the autofrettage barrels of guns are realized by internal autofrettage. This paper proposes the use of external autofrettage to realize the barrel autofrettage, deduces the theoretical formula of external autofrettage, and simulates the difference of stress distribution and strength between the internal and external autofrettage. Studies have shown that external autofrettage can also achieve the barrel autofrettage, the strength of the external autofrettage barrel is lower than the internal autofrettage barrel. Research has pointed out new ideas for the manufacture of autofrettage barrels.

引文

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