Journal ArticleDOI
Effect of solution heat treatment and hot isostatic pressing on the microstructure and mechanical properties of Hastelloy X manufactured by electron beam powder bed fusion
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In this article, the effect of post-fabrication Solution Heat Treatment (SHT) and Hot Isostatic Pressing (HIP) on the microstructure and mechanical properties of Hastelloy X parts built by electron beam powder bed fusion (PBF-EB) process is investigated.About:
This article is published in Journal of Materials Science & Technology.The article was published on 2022-01-30. It has received 20 citations till now. The article focuses on the topics: Hot isostatic pressing & Microstructure.read more
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Journal ArticleDOI
Powder recycling effects on porosity development and mechanical properties of Hastelloy X alloy during laser powder bed fusion process
Xin He,Decheng Kong,Yiqi Zhou,Li Wang,Xiaoqing Ni,Liangjuan Zhang,Wenheng Wu,Ruixue Li,Xiaogang Li,Chaofang Dong +9 more
TL;DR: In this article , the morphology, size, oxygen content, and microstructure of the Hastelloy X alloys fabricated via laser powder bed fusion (LPBF) were analyzed after six iterations.
Journal ArticleDOI
Powder bed fusion additive manufacturing of Ni-based superalloys: a review of the main microstructural constituents and characterization techniques
TL;DR: In this article , a review of the evolution of Ni-based superalloy microstructures during powder bed fusion (PBF) processes is presented, with an expressed goal of directing the research community toward the tools necessary for a thorough investigation of the processing-microstructure-property relationships in PBFNi-based microalloy parts to enable microstructural engineering.
Journal ArticleDOI
Precipitation, transformation, and coarsening of carbides in a high-carbon Ni-based superalloy during selective laser melting and hot isostatic pressing processes
TL;DR: In this article , the precipitation, transformation, and coarsening of carbides in a high-carbon Ni-based superalloy during selective laser melting and the HIP process were investigated using scanning electron microscopy, transmission electron microscope, X-ray diffraction, and thermodynamic modeling.
Journal ArticleDOI
Development of Yttria-stabilized zirconia reinforced Inconel 625 metal matrix composite by laser powder bed fusion
TL;DR: In this paper, a method for modifying commercial Inconel 625 metal powder to enhance the properties of the additively manufactured component for high temperature applications was introduced by decorating the particles with submicron Yttria-stabilized zirconia (YSZ) particles in order to develop a metal matrix composite material.
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Microstructure and properties of SLM-Hastelloy X alloy after different hot isostatic pressing + heat treatment
TL;DR: In this article , the microstructure and mechanical properties of SLM-Hastelloy X alloy treated by hot isostatic pressing and heat treatment (HIP + HT) were studied.
References
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Hall-Petch relation and boundary strengthening
TL;DR: In this article, the Hall-Petch relation is discussed separately for the yield stress of polycrystalline metals and for the flow stress of deformed metals for a grain size range from about 20 nm to hundreds of micrometers.
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The metallurgy and processing science of metal additive manufacturing
TL;DR: In this article, a review of additive manufacturing (AM) techniques for producing metal parts are explored, with a focus on the science of metal AM: processing defects, heat transfer, solidification, solid-state precipitation, mechanical properties and post-processing metallurgy.
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Microstructures and mechanical behavior of Inconel 718 fabricated by selective laser melting
Krista Amato,Sara M. Gaytan,Lawrence E Murr,E. Martinez,P. W. Shindo,Jennifer Hernandez,S. Collins,Francisco Medina +7 more
TL;DR: In this paper, the Inconel 718 cylinders were fabricated by selective laser melting in either argon or nitrogen gas from a pre-alloyed powder, and they exhibited columnar grains and arrays of oblate ellipsoidal precipitates oriented in a strong [2.0.0] texture determined by combined optical metallography, transmission electron microscopy, and X-ray diffraction analysis.
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Microstructure evolution and critical stress for twinning in the CrMnFeCoNi high-entropy alloy
TL;DR: In this article, the CrMnFeCoNi high-entropy alloy possesses good combination of strength, work hardening rate (WHR), ductility, and fracture toughness.
Journal ArticleDOI
Laser and electron-beam powder-bed additive manufacturing of metallic implants: A review on processes, materials and designs.
TL;DR: In this review, the current progress of two AM processes suitable for metallic orthopaedic implant applications, namely selective laser melting (SLM) and electron beam melting (EBM) are presented.