| 矫直和时效对线材力学性能的影响 |
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| 引用本文： | 张有为,梁潇,董国顺,车金萍.矫直和时效对线材力学性能的影响[J].金属制品,2011,37(2):74-76. |
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| 作者姓名： | 张有为 梁潇 董国顺 车金萍 |
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| 作者单位： | 首钢总公司,北京,100043 |
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| 摘 要： | 在CHT4106微机液压万能试验机上进行试验,从统计学方差技术及金属学角度研究矫直和自然时效对HRB400螺纹钢线材力学性能的影响。试验结果:不矫直试样的屈服强度平均值为473 MPa,矫直试样的屈服强度平均值为470 MPa,矫直后自然时效48 h试样的屈服强度平均值为461 MPa;试样抗拉强度值大部分稳定在630~645 MPa。结果表明,矫直对线材屈服性能的影响较小,自然时效对线材屈服性能影响较大,屈服强度平均值低10MPa左右;而矫直和时效对线材的抗拉强度影响较小。
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| 关 键 词： | HRB400螺纹钢 矫直 自然时效 屈服强度 抗拉强度 |
Effect of straightening and aging on wire rod mechanical properties |
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| ZHANG You-wei,LIANG Xiao,DONG Guo-shun,CHE Jin-ping.Effect of straightening and aging on wire rod mechanical properties[J].Steel Wire Products,2011,37(2):74-76. |
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| Authors: | ZHANG You-wei LIANG Xiao DONG Guo-shun CHE Jin-ping |
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| Affiliation: | ZHANG You-wei,LIANG Xiao,DONG Guo-shun,CHE Jin-ping(Shougang Corporation,Beijing 100043,China) |
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| Abstract: | To test on CHT4106 microcomputer hydraulic universal testing machine,the effect of straightening and natural aging on HRB400 spiraling steel wire rod mechanical properties was researched from statistics variance technology and metallography aspects.Test results show: yield strength average value of specimen without straightening is 473MPa,yield strength average value of specimen after straightening is 470MPa,yield strength average value of specimen after straightening and natural aging 48 hours is 461MPa,mo... |
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| Keywords: | HRB400 spiraling steel straightening natural aging yield strength tensile strength |
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