New measurement method and its verification for maximum force plastic elongation in GB/T 228.1—2010
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摘 要
根据GB/T 228.1—2010标准中金属材料最大力塑性延伸率的定义及公式,结合材料变形的物理原理及卸载定律,建立了一种新的金属材料最大力塑性延伸率测量方法。结果表明:该方法既符合GB/T 228.1—2010标准中对最大力塑性延伸率的定义,又克服了引伸计测量法的缺点。
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Abstract
According to the definition and formula of maximum force plastic elongation of metallic materials in GB/T 228.1—2010 standard, a new measurement method of maximum force plastic elongation of metallic materials was established based on the physical principle of material deformation and unloading law. The results show that the method not only conformed to the definition of maximum force plastic elongation in GB/T 228.1—2010 standard, but also overcame the shortcomings of extensometer measurement method.
中图分类号 TG115.5 DOI 10.11973/lhjy-wl202206019
所属栏目 标准化
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收稿日期 2022/1/11
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备注莫明珍(1977-),女,本科,高级工程师,主要从事金属材料物理检测及零构件失效分析工作,15244025@qq.com
引用该论文: MO Mingzhen,LIU Jianbin,FAN Zhiwei,LI Junjie,CHEN Ming,CAO Biao. New measurement method and its verification for maximum force plastic elongation in GB/T 228.1—2010[J]. Physical Testing and Chemical Analysis part A:Physical Testing, 2022, 58(6): 75~77
莫明珍,刘健斌,樊志维,李俊杰,陈明,曹标. GB/T 228.1—2010中最大力塑性延伸率测量新方法及其验证[J]. 理化检验-物理分册, 2022, 58(6): 75~77
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参考文献
【1】苏振超.材料力学[M].北京:清华大学出版社,2016.
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