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2篇 您的检索式:作者名="J.I.Dickson"
    题名 作者 年代 出处 被引量
1STUDY ON FRACTOGRAPHY OF TRANSGRANULAR SCC OF 70Cu-3OZn IN AN AMMONIACAL SOLUTION显示文摘The microfractography of transgranular stress corrosion cracking (TSCC) of 70Cu-30Zn a-brass in ammoniacal solution was studied. The observations indicate that on a very microscale, the crack path of TSCC of or-brass follows {111} planes. The crack path very often alternates between {111} Planes to result in 'cleavage-like'facet, the usual average orientation of which is {110} with preferential microscopic crack propagation in (100) and (112) directions. The average orientation of wide secondary facets is often close to {100}. The size of {111} microfacets increases with incrmsing stress intensity K, which indicates that the microscopic crack path follows {111} planes on which some localized slip has occurred. Possible TSCC mechanisms which appear to be consistent with the microfraphic features observed in the present study are also discussed.S.Q.Li J.I.Dickson J.P.Bailon 1998Acta Metallurgica Sinica(English Letters)1998,11,5:0
2透射电镜薄样品倾转对面状特征迹线方向的影响显示文摘本文提出旋转锥模型,描述薄样品中面状特征迹线随样品台倾转而转动的轨迹,并推导出计算迹线转动角ε的公式。结果表明,按此公式计算得到的结果,与根据极射赤面投影原理计算及实验观察测量的结果一致。文中还对迄今广为接受的PP公式的不适用性进行了分析。洪班德 J.I.Dickson G.L'Esperance 1990电子显微学报1990,9,2:0
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