Swift heavy ion irradiation damage in Ti-6Al-4V and Ti-6Al-4V-1B: Study of the microstructure and mechanical properties

被引：8

作者：

Amroussia, Aida ^{[1
]}

Avilov, Mikhail ^{[2
]}

Boehlert, Carl J. ^{[1
]}

Durantel, Florent ^{[3
]}

Grygiel, Clara ^{[3
]}

Mittig, Wolfgang ^{[2
,4
]}

Monnet, Isabelle ^{[3
]}

Pellemoine, Frederique ^{[2
]}

机构：

[1] Michigan State Univ, Dept Chem Engn & Mat Sci, E Lansing, MI 48824 USA

[2] Michigan State Univ, FRIB, E Lansing, MI 48824 USA

[3] CIMAP CEA CNRS ENSICAEN UCN, F-14070 Caen 5, France

[4] Michigan State Univ, Natl Superconducting Cyclotron Lab, E Lansing, MI 48824 USA

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2015年 / 365卷

关键词：

Swift heavy ion (SHI) irradiation damage; Microstructure; Mechanical properties; Ti-6Al-4V; Ti-6Al-4V-1B; ELECTRON-MICROSCOPY OBSERVATIONS; FRACTURE-TOUGHNESS PROPERTIES; FATIGUE PROPERTIES; NANO-INDENTATION; ALLOY TI-6AL-4V; TENSILE; BORON; GRAPHITE; BEHAVIOR;

D O I：

10.1016/j.nimb.2015.09.029

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The alpha + beta alloy Ti-6Al-4V (wt.%) and the boron-modified Ti-6Al-4V-1B (wt.%), due to their low activation, corrosion resistance, good mechanical properties, and their commercial availability, were chosen as candidate materials for the beam dump for the Facility for Rare Isotope Beams (FRIBs) at Michigan State University: a new generation accelerator with high power heavy ion beams. Through this study our goal is to establish the first irradiation data of the recently developed Ti-6Al-4V-1B (wt.%) alloy and investigate the changes in microstructure and mechanical properties of Ti-6Al-4V due to swift heavy ion (SHI) irradiation damage. The results of hardness measurements showed that the studied Ti-6Al-4V (wt.%) and Ti-6Al-4V-1B (wt.%) alloy, under the specified irradiation conditions, exhibited a high irradiation resistance. In fact, only a slight hardening was observed (similar to 13%) in the tested samples and no changes in the microstructure were observed. Temperature, dose and electronic excitation effects were also discussed. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：515 / 521

页数：7

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