TiB nano-whiskers reinforced titanium matrix composites with novel nano-reticulated microstructure and high performance via composite powder by selective laser melting

Deng Pan; Xin Zhang; Xiaodong Hou; Yuanfei Han; Mingqiang Chu; Biao Chen; Lei Jia; Katsuyoshi Kondoh; Shufeng Li

doi:10.1016/j.msea.2020.140137

TiB nano-whiskers reinforced titanium matrix composites with novel nano-reticulated microstructure and high performance via composite powder by selective laser melting

Deng Pan, Xin Zhang, Xiaodong Hou, Yuanfei Han, Mingqiang Chu, Biao Chen, Lei Jia, Katsuyoshi Kondoh, Shufeng Li

材料学院

科研成果: 期刊稿件 › 文章 › 同行评审

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摘要

TiB nano-whiskers reinforced titanium matrix composites (Ti-TiBw) with a unique nano-reticulated microstructure was prepared via composite powder by selective laser melting (SLM). The composite powder was designed and produced by electrode induction melting gas atomization as starting materials for SLM other than the conventional premixed Ti–TiB₂ powders. The new composite powder had a micron-scale reticulated structure with micro-nano TiBw along the grain boundaries, which was further refined to nano-scale during SLM attributing to the rapid solidification rate. The SLMed Ti-TiBw composites exhibited exceptional strength (σ_b = 851 MPa) while maintaining good ductility (δ = 10.2%), which was tightly related to our novel strategy of microstructural configuration.

源语言	英语
文章编号	140137
期刊	Materials Science and Engineering: A
卷	799
DOI	https://doi.org/10.1016/j.msea.2020.140137
出版状态	已出版 - 2 1月 2021

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title = "TiB nano-whiskers reinforced titanium matrix composites with novel nano-reticulated microstructure and high performance via composite powder by selective laser melting",

abstract = "TiB nano-whiskers reinforced titanium matrix composites (Ti-TiBw) with a unique nano-reticulated microstructure was prepared via composite powder by selective laser melting (SLM). The composite powder was designed and produced by electrode induction melting gas atomization as starting materials for SLM other than the conventional premixed Ti–TiB2 powders. The new composite powder had a micron-scale reticulated structure with micro-nano TiBw along the grain boundaries, which was further refined to nano-scale during SLM attributing to the rapid solidification rate. The SLMed Ti-TiBw composites exhibited exceptional strength (σb = 851 MPa) while maintaining good ductility (δ = 10.2%), which was tightly related to our novel strategy of microstructural configuration.",

keywords = "Nano-reticulated microstructure, Selective laser melting, Tensile properties, Ti-TiBw composite powder",

author = "Deng Pan and Xin Zhang and Xiaodong Hou and Yuanfei Han and Mingqiang Chu and Biao Chen and Lei Jia and Katsuyoshi Kondoh and Shufeng Li",

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year = "2021",

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doi = "10.1016/j.msea.2020.140137",

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T1 - TiB nano-whiskers reinforced titanium matrix composites with novel nano-reticulated microstructure and high performance via composite powder by selective laser melting

AU - Pan, Deng

AU - Zhang, Xin

AU - Hou, Xiaodong

AU - Han, Yuanfei

AU - Chu, Mingqiang

AU - Chen, Biao

AU - Jia, Lei

AU - Kondoh, Katsuyoshi

AU - Li, Shufeng

PY - 2021/1/2

Y1 - 2021/1/2

N2 - TiB nano-whiskers reinforced titanium matrix composites (Ti-TiBw) with a unique nano-reticulated microstructure was prepared via composite powder by selective laser melting (SLM). The composite powder was designed and produced by electrode induction melting gas atomization as starting materials for SLM other than the conventional premixed Ti–TiB2 powders. The new composite powder had a micron-scale reticulated structure with micro-nano TiBw along the grain boundaries, which was further refined to nano-scale during SLM attributing to the rapid solidification rate. The SLMed Ti-TiBw composites exhibited exceptional strength (σb = 851 MPa) while maintaining good ductility (δ = 10.2%), which was tightly related to our novel strategy of microstructural configuration.

AB - TiB nano-whiskers reinforced titanium matrix composites (Ti-TiBw) with a unique nano-reticulated microstructure was prepared via composite powder by selective laser melting (SLM). The composite powder was designed and produced by electrode induction melting gas atomization as starting materials for SLM other than the conventional premixed Ti–TiB2 powders. The new composite powder had a micron-scale reticulated structure with micro-nano TiBw along the grain boundaries, which was further refined to nano-scale during SLM attributing to the rapid solidification rate. The SLMed Ti-TiBw composites exhibited exceptional strength (σb = 851 MPa) while maintaining good ductility (δ = 10.2%), which was tightly related to our novel strategy of microstructural configuration.

KW - Nano-reticulated microstructure

KW - Selective laser melting

KW - Tensile properties

KW - Ti-TiBw composite powder

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DO - 10.1016/j.msea.2020.140137

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SN - 0921-5093

VL - 799

JO - Materials Science and Engineering: A

JF - Materials Science and Engineering: A

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TiB nano-whiskers reinforced titanium matrix composites with novel nano-reticulated microstructure and high performance via composite powder by selective laser melting

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