新型钴基与<strong>Nb-Si</strong>基高温合金扩散动力学研究进展

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新型钴基与Nb-Si基高温合金扩散动力学研究进展

刘兴军, 魏振帮, 卢勇, 韩佳甲, 施荣沛, 王翠萍

Progress on the Diffusion Kinetics of Novel Co-based and Nb-Si-based Superalloys

LIU Xingjun, WEI Zhenbang, LU Yong, HAN Jiajia, SHI Rongpei, WANG Cuiping

表4 新型钴基高温合金中fcc相与Nb-Si基高温合金中bcc相的自扩散迁移率参数与杂质扩散迁移率参数的部分优化结果^[85~91]

Table 4 Partial optimization results of self-diffusion mobility parameter and impurity diffusion mobility parameter of the fcc phase in novel Co-based superalloys and the bcc phase in Nb-Si-based superalloys^[85-91]

Mobility of Co	Phase	Parameter	Mobility of Nb	Phase	Parameter
$ϕ_{C o}^{C o}$ ^[86]	fcc	-296542.9 - 74.48T	$ϕ_{N b}^{N b}$ ^[89]	bcc	-268253.0 - 108.60T
$ϕ_{C o}^{N i}$ ^[87]	fcc	-284.724.0 - 69.23T	$ϕ_{N b}^{S i}$ ^[85]	bcc	-268115.4 - 78.10T
$ϕ_{C o}^{A l}$ ^[88]	fcc	-172082.0 - 28.42T	$ϕ_{N b}^{A l}$ ^[85]	bcc	-267729.0 - 79.90T
$ϕ_{C o}^{C r}$ ^[85]	fcc	-265759.8 - 77.69T	$ϕ_{N b}^{C r}$ ^[85]	bcc	-212705.4 - 77.74T
$ϕ_{C o}^{T a}$ ^[85]	fcc	-283070.4 - 74.59T	$ϕ_{N b}^{H f}$ ^[85]	bcc	-252086.3 - 78.13T
$ϕ_{C o}^{T i}$ ^[85]	fcc	-229653.7 - 76.81T	$ϕ_{N b}^{T i}$ ^[90]	bcc	-268139.0 - 75.56T
$ϕ_{C o}^{W}$ ^[85]	fcc	-264096.5 - 75.94T	$ϕ_{N b}^{V}$ ^[91]	bcc	-258635.1 - 76.09T