Experimental Liquidus Surface Projection of the Ni-Ru-Zr System

被引：1

作者：

Chipise, L. ^{[1
,2
,3
,4
]}

Odera, B. O. ^{[3
,4
]}

Jain, P. K. ^{[5
]}

Coetzee, S. H. ^{[4
,6
]}

Batane, N. R. ^{[1
,4
]}

Motsamai, M. P. ^{[3
]}

Cornish, L. A. ^{[2
,3
,4
]}

机构：

[1] Univ Botswana, Dept Mech Engn, Private Bag 0022, Gaborone, Botswana

[2] Univ Witwatersrand, WITS, DST NRF Ctr Excellence Strong Mat, Private Bag 3, Johannesburg, South Africa

[3] Univ Witwatersrand, WITS, Sch Chem & Met Engn, Private Bag 3, Johannesburg, South Africa

[4] Univ Witwatersrand, WITS, African Mat Sci & Engn Network, Private Bag 3, Johannesburg, South Africa

[5] Univ Botswana, Dept Phys, Private Bag 0022, Gaborone, Botswana

[6] BITRI, Private Bag 0082, Gaborone, Botswana

来源：

JOURNAL OF PHASE EQUILIBRIA AND DIFFUSION | 2016年 / 37卷 / 06期

基金：

新加坡国家研究基金会;

关键词：

liquidus surface; microstructure; nickel; ruthenium; zirconium; LEGIERUNGEN; DIAGRAM;

D O I：

10.1007/s11669-016-0499-2

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

SEM with EDX and XRD analyses were used to study 21 as-cast Ni-Ru-Zr alloys. Phases were distinguished by BSE image contrast, and the primary phases were determined by their dendritic morphology, with the solidification sequences derived from the microstructure. Identification of the phases was done by EDX analyses, and they were verified by XRD. From these analyses, the solidus and liquidus surface projections were drawn. Three ternary phases were found: tau(1) of composition similar to Zr24Ru22Ni44 (at.%), tau(2) at similar to Zr74Ru4Ni22 (at.%), and tau(3) at similar to Zr35Ru3Ni62 (at.%). Sixteen invariant reactions were identified, and the largest liquidus surface was for similar to ZrRu.

引用

页码：702 / 717

页数：16

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