| Al－Zr合金中的竹节晶界峰 |
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| 摘 要： | 用低频倒摆测量了Ａｌ－０．０７３％Ｚｒ（质量分数）合金的高温内耗，实验中观察到两种类型的内耗峰，即传统的晶界峰和竹节峰．对竹节峰进行了系统的实验研究，当竹节晶粒与细晶粒共存时，竹节峰的峰温为６９０Ｋ（ｆ＿ｐ＝０．２９Ｈｚ），相应的激活能为３．２０ｅＶ；在完整的竹节结构的试样中，竹节峰的峰温为６３５Ｋ，相应的激活能为２．７４ｅＶ．结合晶界内第二相粒子的电镜观察认为，竹节峰起源于荷粒子晶界的应力弛豫．
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| 关 键 词： | 竹节峰，内耗，第二相粒子，应力弛豫 |
The Bamboo Boundary Peak in an Al-Zr Alloy |
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| Teng Gongqing, Huang Changzhi. The Bamboo Boundary Peak in an Al-Zr Alloy[J]. Journal of Northeastern University(Natural Science), 1994, 0(3) |
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| Authors: | Teng Gongqing Huang Changzhi |
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| Affiliation: | Teng Gongqing; Huang Changzhi |
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| Abstract: | |
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| Keywords: | bamboo boundary peak internal friction second phase particle stress relaxation. |
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