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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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亚微米晶铜中孪晶对位错储存能力的影响
, PP. 903-908
Keywords: Cu,纳米孪晶,位错储存
Abstract:
利用电解沉积技术制备出系列亚微米晶纯铜样品,并在样品中引入不同密度的纳米孪晶．室温轧制具有不同孪晶密度的纯铜样品,使样品中储存大量位错．结果表明,具有高密度纳米孪晶结构的纯铜样品,40%轧制变形可使其屈服强度从690MPa增加到850MPa;而无孪晶的亚微米铜样品的屈服强度在同样轧制变形条件下只从230MPa增加到330MPa.这表明具有高密度纳米孪晶结构的纯铜样品具有很高的位错储存能力.
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