Lattice parameter instabilities during multi-phase precipitation in Alloy 693

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• 作者：Shabana Khan^a ; ^b ; S.D. Kaushik^c ; A. Verma^a ; J.B. Singh^a ; ^b ; ^{jbsingh@barc.gov.in} ; V. Siruguri^c ; D. Srivastava^a
• 关键词：Alloy 693 ; Lattice parameter ; γ&prime ; precipitation ; α-phase ; Neutron diffraction ; Rietveld analysis
• 刊名：Journal of Alloys and Compounds
• 出版年：2017
• 出版时间：5 April 2017
• 年：2017
• 卷：700
• 期：Complete
• 页码：149-154
• 全文大小：1767 K
• 卷排序：700

文摘

Alloy 693 forms multi-modal distribution of γ′ precipitates within γ matrix during isothermal and non-isothermal annealing. Lattice parameter determination of γ- and γ′- phases on the basis of neutron diffraction data of bulk samples. Precipitation of an α-phase during prolonged ageing. Lattice contraction of γ- and γ′- phases during the precipitation of α-phase.