| 标题 |
 Plastic yielding and tensile strength of near-micrometer grain size pure iron 近微米晶粒纯铁的塑性屈服和抗拉强度
相关领域
材料科学
粒度
晶界强化
极限抗拉强度
千分尺
复合材料
流动应力
放电等离子烧结
下降（电信）
晶界
冶金
烧结
应变率
微观结构
物理
光学
电信
计算机科学
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| 网址 | |
| DOI | |
| 其它 | In order to investigate the influence on mechanical properties of grain size in the near-micrometer regime, samples of Fe with nearly full density were prepared using the spark plasma sintering (SPS) technique with average grain sizes of 1.0 µm, 2.6 µm and 4.0 µm. In each of these samples the resulting sintered material was in a nearly fully-recrystallized condition with a random texture. The mechanical properties of the samples were examined via tensile testing. A strong dependence of the tensile flow characteristics on the average grain size was observed in this size regime, with the 1.0 µm grain-size sample showing a very high strength, |
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