| 微型拉伸试样的设计及其在高性能管线钢研究中的应用 |
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| 引用本文： | 初瑞清,段占强,董翰,杨柯,李守新,王中光. 微型拉伸试样的设计及其在高性能管线钢研究中的应用[J]. 金属学报, 2000, 36(6): 626-629 |
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| 作者姓名： | 初瑞清 段占强 董翰 杨柯 李守新 王中光 |
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| 作者单位： | 1. 中国科学院金属研究所材料疲劳与断裂国家重点实验室,沈阳,110015
2. 钢铁研究总院,北京,100081 |
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| 基金项目： | 国家重大基础研究资助项目G1998061511 |
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| 摘 要： | 设计了一种微型拉伸试样，用结构均匀的材料Ｘ６０钢测试了微型拉伸试样的拉伸强度的可靠性，发现试样尺寸对拉伸强度的影响很小，微型试样值与式样的判别不大，可以用微型试样测量Ｇｌｅｅｂｌｅ样品的强度，在高性能管线钢的研究中发现，微型拉式样的强度值和显微硬度值缺少一一对应关系，有必要做微型试样的拉伸试验，提供更为可靠的数据。
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| 关 键 词： | 控制轧制 力学性能 管线钢 微型拉伸试样 |
| 文章编号： | 0412-1961(2000)06-0626-04 |
| 修稿时间： | 2000-01-17 |
DESIGN OF A KIND OF MINI-TENSILE-SPECIMEN AND ITS APPLICATION IN RESEARCH OF THE HIGH-PERFORMANCE PIPE LINE STEEL |
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| CHU Ruiqing,DUAN Zhanqiang,DONG Han,YANG Ke,LI Shouxin,WANG Zhongguang. DESIGN OF A KIND OF MINI-TENSILE-SPECIMEN AND ITS APPLICATION IN RESEARCH OF THE HIGH-PERFORMANCE PIPE LINE STEEL[J]. Acta Metallurgica Sinica, 2000, 36(6): 626-629 |
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| Authors: | CHU Ruiqing DUAN Zhanqiang DONG Han YANG Ke LI Shouxin WANG Zhongguang |
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| Abstract: | A kind of mini-tensile-specimen was designed in the research of high-performance pipeline steel. The strengths of four kinds of specimens with different dimensions were studied. It was found that the size of specimens has little influence on the strength. There is no much difference in strength between mini-specimen and standard specimen, so it is feasible to use mini-sample to measure the strength of Gleeble samples. In the research of high performance steels, it is found that there is lacking coincidence between the strength of mini-tensileuspecimen and its micro-hardness. It is better to conduct tension test of mini-specimen to provide more credible data for further research. |
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| Keywords: | controlled rolling mini-tensile-specimen mechanical property |
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