Formation of stable and metastable phases in Ni-Al-Nb and Ni-Al-Me-C (Me=Ti, Nb or V) powder systems during mechanical alloying and thermal treatment

K.A. Krivoroutchko; T. Kulik; V.I. Fadeeva

首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Formation of stable and metastable phases in Ni-Al-Nb and Ni-Al-Me-C (Me=Ti, Nb or V) powder systems during mechanical alloying and thermal treatment

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Formation of stable and metastable phases in Ni-Al-Nb and Ni-Al-Me-C (Me=Ti, Nb or V) powder systems during mechanical alloying and thermal treatment

机译：机械合金化和热处理过程中，Ni-Al-Nb和Ni-Al-Me-C（Me = Ti，Nb或V）粉末体系中形成稳定且亚稳态的相

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A series of quaternary Ni-Al-Me-C (Me=Ti, Nb or V) alloys and two Ni-Al-Nb alloys from various areas of the Ni-Al phase diagram were prepared by the mechanical alloying (MA) method starting from pure powder mixtures. X-ray diffraction and differential scanning calorimetry were used to investigate the powder alloys. It was found, that MA results in the formation of partially ordered metastable B2-type solid solutions in the case of carbon-free systems. On the other hand, the presence of carbon in the powder alloy results in the formation of ordered intermetallic phase and carbide during the thermal treatment. The grain size of carbide and intermetallic phase were kept within the nanosize range even after healing up to 700 deg C.

机译：首先，通过机械合金化（MA）方法制备了一系列Ni-Al-Me-C（Me = Ti，Nb或V）的四元Ni-Al-Me-C合金和来自Ni-Al相图各个区域的两种Ni-Al-Nb合金由纯粉末混合物制成。 X射线衍射和差示扫描量热法用于研究粉末合金。已经发现，在无碳体系的情况下，MA导致形成部分有序的亚稳态B2型固溶体。另一方面，粉末合金中碳的存在导致在热处理期间形成有序的金属间相和碳化物。甚至在恢复到700摄氏度后，碳化物和金属间相的晶粒尺寸仍保持在纳米尺寸范围内。

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《Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics》 |2002年第2期|共6页
作者
K.A. Krivoroutchko; T. Kulik; V.I. Fadeeva;
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正文语种 eng
中图分类合金学与各种性质合金;金属材料;
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transition metal alloys; intermetallics; mechanical alloying; powder metallurgy; X-ray diffraction;

机译：过渡金属合金;金属间化合物;机械合金化;粉末冶金;X射线衍射;

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1. Formation of stable and metastable phases in Ni-Al-Nb and Ni-Al-Me-C (Me=Ti, Nb or V) powder systems during mechanical alloying and thermal treatment [J] . K.A. Krivoroutchko, T. Kulik, V.I. Fadeeva Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics . 2002,第1a2期

机译：机械合金化和热处理过程中，Ni-Al-Nb和Ni-Al-Me-C（Me = Ti，Nb或V）粉末体系中形成稳定且亚稳态的相
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机译：铝锗合金系统中的亚稳相：通过机械合金化和压力诱导转变合成。

Formation of stable and metastable phases in Ni-Al-Nb and Ni-Al-Me-C (Me=Ti, Nb or V) powder systems during mechanical alloying and thermal treatment

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