Microstructure and Strength of Ti-6Al-4V Samples Additively Manufactured with TiC Heterogeneous Nucleation Site Particles

被引：4

作者：

Watanabe, Yoshimi ^{[1
]}

Yamada, Shintaro ^{[1
]}

Chiba, Tadachika ^{[1
]}

Sato, Hisashi ^{[1
]}

Miura, Seiji ^{[2
]}

Abe, Kenshiro ^{[3
]}

Kato, Tomotsugu ^{[3
]}

机构：

[1] Nagoya Inst Technol, Dept Phys Sci & Engn, Nagoya 4668555, Japan

[2] Hokkaido Univ, Div Mat Sci & Engn, Sapporo 0608628, Japan

[3] Nabtesco Corp, Tokyo 1020093, Japan

来源：

MATERIALS | 2023年 / 16卷 / 17期

关键词：

additive manufacturing; powder bed fusion (PBF); Ti-6Al-4V alloy; heterogeneous nucleation site particles; lattice matching; tensile test; single track test; BEHAVIOR; ALLOY; TEMPERATURE; DIFFUSION;

D O I：

10.3390/ma16175974

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Our research aims to investigate the fabrication of additively manufactured (AMed) Ti-6Al-4V samples under reduced power with the addition of TiC heterogeneous nucleation site particles. For this aim, Ti-6Al-4V samples are fabricated with and without TiC heterogeneous nucleation site particles using an EOS M 290 machine under optimal parameters and reduced power conditions. The microstructure and tensile behavior of the produced samples were studied. In addition, a single-track test was performed to obtain a good understanding of the suppression of gas pores and balling formation with the addition of TiC heterogeneous nucleation site particles. It was found that the formation of gas pores and balling was suppressed with the addition of heterogeneous nucleation site particles within the metallic powder.

引用

页数：17

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