PHASE-TRANSFORMATION OF NI2AL3 TO NIAL .1. ION IRRADIATION INDUCED

被引：18

作者：

NASTASI, M ^{[1
]}

HUNG, LS ^{[1
]}

JOHNSON, HH ^{[1
]}

MAYER, JW ^{[1
]}

WILLIAMS, JM ^{[1
]}

机构：

[1] OAK RIDGE NATL LAB,DIV SOLID STATE,OAK RIDGE,TN 37830

来源：

JOURNAL OF APPLIED PHYSICS | 1985年 / 57卷 / 04期

关键词：

ELECTRONS - Diffraction - ION BEAMS - METALLOGRAPHY - Phase Diagrams;

D O I：

10.1063/1.334546

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

An ion-irradiation-induced phase transformation from Ni//2Al//3 to NiAl has been investigated by transmission electron diffraction. Compound samples of Ni//2Al//3 were irradiated at liquid nitrogen, room temperature, and 100 degree C with 300-kev Xe and 60-kev Ne ions. Transformation to NiAl was observed in all cases. Detailed examination of the closely related equilibrium NiAl and Ni//2Al//3 structures permits explanation of this transformation based on the structural similarity of the two phases and using a model built around radiation disordering of vacancies.

引用

页码：1050 / 1054

页数：5

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