Coexistence of Two Cubic-Lattice Co Matrices at High Temperatures in Co-Re-Cr-Ni Alloy Studied by Neutron Diffraction

Coexistence of Two Cubic-Lattice Co Matrices at High Temperatures in Co-Re-Cr-Ni Alloy Studied by Neutron Diffraction
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中子衍射研究Co-Re-Cr-Ni合金中两种立方晶格Co基体在高温下的共存

DOI:
10.1155/2018/5410871
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发表时间:
2018
影响因子:
--
通讯作者:
J. Rösler
J. Rösler
中科院分区:
材料科学4区
文献类型:
--
作者:
P. Beran;D. Mukherji;P. Strunz;R. Gilles;M. Hölzel;J. Rösler

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对Co-17 Re-23 Cr-25 Ni合金在高温加热和冷却过程中进行了原位中子衍射测量。研究了Co基体的同素异形转变以及低温六方和高温立方Co相的演变。令人惊讶的观察结果是在加热以及冷却期间,面心立方(fcc)Co相峰在高温下分裂。相演变进行了监测,和第二fcc相的外观可以链接到σ相(Cr2 Re 3型)的形成与由于在高温下的扩散过程在基体中的组成变化。
In situ neutron diffraction measurements were performed during heating to high temperature and cooling for a Co‐17Re‐23Cr‐25Ni alloy. The allotropic transformation of the Co matrix and the evolution of the low‐temperature hexagonal and high‐temperature cubic Co phases were studied. A surprising observation was the splitting of the face‐centred cubic (fcc) Co phase peaks at high temperature during heating as well as cooling. The phase evolution was monitored, and an appearance of the secondary fcc phase could be linked to the formation ofσphase (Cr2Re3type) associated with a compositional change in the matrix due to diffusion processes at high temperature.
实验性钴铼基合金中铬碳化物的高温稳定性
DOI: --
发表时间: 2010
期刊:
影响因子: --
作者:
D. Mukherji;M. Klauke;P. Strunz;I. Zizak;G. Schumacher;A. Wiedenmann;J. Rösler
通讯作者: J. Rösler
DOI: 10.1007/s11661-012-1363-6
发表时间: 2013
期刊: Metallurgical and Materials Transactions A
影响因子: --
作者:
D. Mukherji;J. Rösler;J. Wehrs;P. Strunz;P.Beran;R. Gilles;M. Hofmann;M. Hoelzel;H. Eckerlebe;L. Szentmiklósi;Z. Mácsik
通讯作者: Z. Mácsik
DOI: 10.1016/j.matlet.2010.08.066
发表时间: 2010-12-15
期刊: MATERIALS LETTERS
影响因子: 3
作者:
Mukherji, D.;Strunz, P.;Roesler, J.
通讯作者: Roesler, J.