Microstructure and Thermo-Mechanical Behavior of NiAl Coatings

机译：NiAl涂层的组织和热力学行为

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In this study the thermo-mechanical behavior of a commercial Pt containing NiAl coating deposited on a Ni-base superalloy is compared with a Ni-rich NiAl coating sputter-deposited on a Si substrate. Both types of coatings possess high tensile room temperature stresses after thermal straining. The Pt-NiAl coating shows negligible plasticity as a result of solid solution and dispersion strengthening. In contrast, for the NiAl coatings on Si noticeable plasticity can be obtained if the film thickness exceeds the sub-micrometer range.

机译：在这项研究中，将商业化的含Pt的，沉积在Ni基高温合金上的NiAl涂层的热机械行为与溅射沉积在Si衬底上的富Ni的NiAl涂层进行了比较。两种类型的涂层在热应变后均具有较高的室温拉伸应力。由于固溶和分散增强，Pt-NiAl涂层的塑性可忽略不计。相反，如果膜厚超过亚微米范围，则对于在Si上的NiAl涂层而言，可以获得明显的可塑性。

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《Symposium Proceedings vol.842; Symposium on Integrative and Interdisciplinary Aspects of Intermetallics; 20041129-1201; Boston,MA(US)》|2004年|P.73-78|共6页
会议地点 BostonMA(US)
作者
G. Dehm; J. Riethmueller; P. Wellner; O. Kraft; H. Clemens; E. Arzt;
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Max-Planck-Institut fuer Metallforschung, 70569 Stuttgart, Germany;

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正文语种 eng
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Microstructure and Thermo-Mechanical Behavior of NiAl Coatings

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