Creep failure of a solution-annealed 15-15Ti steel exposed to stagnant lead-bismuth eutectic at 550 and 600 °C - Details

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Abstract：

Uniaxial　creep-to-rupture　tests　at　550　and　600　°C　under　a　constant　load　of　300　MPa　have　been　performed　to　study　the　effect　of　lead-bismuth　eutectic　(LBE)　on　the　creep　failure　behavior　of　a　solution-annealed　15-15Ti　steel.　The　results　show　that　the　secondary　creep　rate　of　the　steel　tested　in　LBE　at　550　and　600　°C　is　56　and　6　times　higher　than　that　tested　in　air　at　the　same　temperatures,　respectively.　The　transition　time　from　the　primary　creep　to　the　secondary　creep　is　largely　shortened　by　LBE.　As　a　consequence,　the　creep　life　of　15-15Ti　in　contact　with　LBE　is　reduced　remarkably.　The　severe　degradation　of　the　creep　performance　is　attributed　to　uniform　dissolution　corrosion　(elemental　leaching)　and　especially　localized　intergranular　cracking.　©　2020　Elsevier　B.V.

Keyword：

15-15Ti; Creep; Dissolution corrosion; Intergranular cracking; LBE

Community：

[ 1 ] [Gong, X.]Advanced Nuclear Energy Research Team, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
[ 2 ] [Yang, Z.]Advanced Nuclear Energy Research Team, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
[ 3 ] [Deng, Y.]Advanced Nuclear Energy Research Team, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
[ 4 ] [Xiao, J.]Science and Technology on Reactor Fuel and Materials Laboratory, Nuclear Power Institute of China, Chengdu, 610213, China
[ 5 ] [Wang, H.]Science and Technology on Reactor Fuel and Materials Laboratory, Nuclear Power Institute of China, Chengdu, 610213, China
[ 6 ] [Yu, Z.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350002, China
[ 7 ] [Yin, Y.]Advanced Nuclear Energy Research Team, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China

Reprint 's Address：

[Gong, X.]Advanced Nuclear Energy Research Team, College of Physics and Optoelectronic Engineering, Shenzhen University, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Advanced Nuclear Energy Research Team, College of Physics and Optoelectronic Engineering, Shenzhen UniversityChina

Email：

gongxing@szu.edu.cn

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Source ：

Materials Science and Engineering A

ISSN： 0921-5093

Year： 2020

Volume： 798

5 . 2 3 4

JCR@2020

6 . 1 0 0

JCR@2023

ESI HC Threshold：196

JCR Journal Grade：1

CAS Journal Grade：2

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WoS CC Cited Count： 0

SCOPUS Cited Count： 26

ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 0

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