The Impact Behavior of As-Cast TiVTa(Nb) Refractory Single-Phase Concentrated Solid Solution Alloys

Xue Yin; Yankun Dou; Xinfu He; Ke Jin; Chenglong Wang; Yaguang Dong; Haoran Wang; Weihua Zhong; Yunfei Xue; Wen Yang

doi:10.1007/s11837-022-05435-5

The Impact Behavior of As-Cast TiVTa(Nb) Refractory Single-Phase Concentrated Solid Solution Alloys

Xue Yin, Yankun Dou^*, Xinfu He^*, Ke Jin, Chenglong Wang, Yaguang Dong, Haoran Wang, Weihua Zhong, Yunfei Xue, Wen Yang

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

The impact behaviors of as-cast body-centered-cubic (BCC)-structure TiVTa and TiVTaNb refractory single-phase concentrated solid solution alloys were studied under impact loading as part of an effort to evaluate their potential application in the nuclear field as structural materials. Instrumented Charpy impact tests and fractography analysis showed that TiVTaNb demonstrated a relatively higher ductility with a higher total impact absorbed energy, higher shear-rips proportion, lower ductile–brittle transition temperature (DBTT) and higher upper shelf energy (USE) than that of TiVTa from − 150°C to 550°C. Analysis of load–displacement curves revealed that the crack initiation and propagation energy of TiVTaNb is larger than that of TiVTa, showing the higher resistance to crack initiation and propagation in TiVTaNb. This study demonstrates that the TiVTaNb is a promising ductile material for structural applications.

Original language	English
Pages (from-to)	4326-4334
Number of pages	9
Journal	JOM
Volume	74
Issue number	11
DOIs	https://doi.org/10.1007/s11837-022-05435-5
Publication status	Published - Nov 2022

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title = "The Impact Behavior of As-Cast TiVTa(Nb) Refractory Single-Phase Concentrated Solid Solution Alloys",

abstract = "The impact behaviors of as-cast body-centered-cubic (BCC)-structure TiVTa and TiVTaNb refractory single-phase concentrated solid solution alloys were studied under impact loading as part of an effort to evaluate their potential application in the nuclear field as structural materials. Instrumented Charpy impact tests and fractography analysis showed that TiVTaNb demonstrated a relatively higher ductility with a higher total impact absorbed energy, higher shear-rips proportion, lower ductile–brittle transition temperature (DBTT) and higher upper shelf energy (USE) than that of TiVTa from − 150°C to 550°C. Analysis of load–displacement curves revealed that the crack initiation and propagation energy of TiVTaNb is larger than that of TiVTa, showing the higher resistance to crack initiation and propagation in TiVTaNb. This study demonstrates that the TiVTaNb is a promising ductile material for structural applications.",

author = "Xue Yin and Yankun Dou and Xinfu He and Ke Jin and Chenglong Wang and Yaguang Dong and Haoran Wang and Weihua Zhong and Yunfei Xue and Wen Yang",

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doi = "10.1007/s11837-022-05435-5",

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T1 - The Impact Behavior of As-Cast TiVTa(Nb) Refractory Single-Phase Concentrated Solid Solution Alloys

AU - Yin, Xue

AU - Dou, Yankun

AU - He, Xinfu

AU - Jin, Ke

AU - Wang, Chenglong

AU - Dong, Yaguang

AU - Wang, Haoran

AU - Zhong, Weihua

AU - Xue, Yunfei

AU - Yang, Wen

PY - 2022/11

Y1 - 2022/11

N2 - The impact behaviors of as-cast body-centered-cubic (BCC)-structure TiVTa and TiVTaNb refractory single-phase concentrated solid solution alloys were studied under impact loading as part of an effort to evaluate their potential application in the nuclear field as structural materials. Instrumented Charpy impact tests and fractography analysis showed that TiVTaNb demonstrated a relatively higher ductility with a higher total impact absorbed energy, higher shear-rips proportion, lower ductile–brittle transition temperature (DBTT) and higher upper shelf energy (USE) than that of TiVTa from − 150°C to 550°C. Analysis of load–displacement curves revealed that the crack initiation and propagation energy of TiVTaNb is larger than that of TiVTa, showing the higher resistance to crack initiation and propagation in TiVTaNb. This study demonstrates that the TiVTaNb is a promising ductile material for structural applications.

AB - The impact behaviors of as-cast body-centered-cubic (BCC)-structure TiVTa and TiVTaNb refractory single-phase concentrated solid solution alloys were studied under impact loading as part of an effort to evaluate their potential application in the nuclear field as structural materials. Instrumented Charpy impact tests and fractography analysis showed that TiVTaNb demonstrated a relatively higher ductility with a higher total impact absorbed energy, higher shear-rips proportion, lower ductile–brittle transition temperature (DBTT) and higher upper shelf energy (USE) than that of TiVTa from − 150°C to 550°C. Analysis of load–displacement curves revealed that the crack initiation and propagation energy of TiVTaNb is larger than that of TiVTa, showing the higher resistance to crack initiation and propagation in TiVTaNb. This study demonstrates that the TiVTaNb is a promising ductile material for structural applications.

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VL - 74

SP - 4326

EP - 4334

JO - JOM

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ER -

The Impact Behavior of As-Cast TiVTa(Nb) Refractory Single-Phase Concentrated Solid Solution Alloys

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