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1)  polycrystalline pure aluminum
多晶纯铝
1.
The vacancy defect clusters in polycrystalline pure aluminum induced by high-current pulsed electron beam
强流脉冲电子束辐照诱发多晶纯铝中的空位缺陷簇结构
2.
The internal friction(IF) and relative dynamic modulus in the polycrystalline pure aluminum(Al) were measured using a multifunction internal friction apparatus(MFIFA) at frequencies of 0.
0 Hz的条件下测定了多晶纯铝在25℃450℃升降温过程中的内耗峰值温度和相对动力学模量,并根据Arrhenius关系式计算了升降温过程中的扩散激活能和内耗行为特征。
2)  high purity polycrystalline aluminum
高纯多晶铝
3)  cp-titanium
多晶纯钛
4)  polycrystalline pure nickel
多晶纯镍
1.
High-current pulsed electron beam(HCPEB)technique was applied to irradiate the samples of polycrystalline pure nickel.
利用强流脉冲电子束(HCPEB)技术对多晶纯镍进行了表面处理,并采用扫描电镜和透射电镜对强流脉冲电子束诱发的表面及亚表面的微观组织结构进行了分析。
5)  Al polycrystal
铝多晶
1.
By using the classical plasticity theory and the micro-mechanism-based strain gradient (MSG) plasticity theory, the stress-strain relationships of Al polycrystals with different grain sizes were simulated.
采用经典塑性理论与基于微观机制的应变梯度(MSG)塑性理论对不同晶粒尺寸铝多晶的应力-应变关系进行了模拟分析。
6)  polycrystalline aluminum
多晶铝
1.
Experimental investigations on rolling texture evolution in polycrystalline aluminum with initial randomly distributed texture and nearly cube texture were carried out via orientation distribution functions and orientation line analysis.
采用取向分布函数和取向线分析方法研究了初始自由分布和具有近似立方织构的多晶铝轧制织构的演变规律。
补充资料:多晶
分子式:
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性质:多晶(体)是众多取向机遇的单晶(体)的集合。多晶与单晶内部均以点阵式的周期性结构为其基础,对同一品种晶体来说,两者本质相同。两者不同处在于单晶是各向异性的,多晶则是各向同性的。在摄取多晶衍射图或进行衍射计数时,多晶样亦有其特色。多晶体中当晶粒粒度较小时,晶粒难于直观呈现晶面、晶棱等形象,样品清晰度差,呈散射光。这种场合的多晶亦常称作粉晶(powder crystal)。

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