DataVXAdvanced Engineering MaterialsPaper
journal article·2023-12Open access

A Novel Method for Preparing Intermetallics/Superalloy Dissimilar Materials Using Current Sintering of Metallic Powders

Hanwei Ning, Dongjun Wang, Shaohua Qin, Jie Zhao, Wenqing Wei, Ze Liu, Gang Liu

Advanced Engineering Materials· Volume 25· Issue 23
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Source abstract

Abstract

Herein, a novel method is proposed to prepare the multimaterial composite component for aerospace applications using the current sintering. Two representative high‐temperature structural materials, the new potential intermetallic NiAl and the widely used Ni‐based superalloy K4202, have been employed to achieve the target. As shown by the results, a clean interface with almost no defects is successfully obtained in NiAl/K4202 alloy. Nevertheless, the existence of a continuous Cr(Mo) phase along the region leads to an insufficient bonding ability. To optimize the interfacial microstructure, a Ni foil is employed as the interlayer. The results indicate that the interlayer can hinder the intense diffusion of elements and prevent the abnormal growth of Cr(Mo) phases, which result in a considerable improvement of interfacial properties.
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Research context

Metals & alloysCeramics & glassesComposites

OpenAlex topics: Aluminum Alloys Composites Properties · Intermetallics and Advanced Alloy Properties · Advanced ceramic materials synthesis

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Materials Science and Engineering Harbin Institute of Technology Harbin 150001 China

School of Mechanical Engineering and Automation Fuzhou University Fuzhou 350000 China

National Key Laboratory for Precision Hot Processing of Metals Harbin Institute of Technology Harbin 150001 China

Institute of High Pressure Fluid Forming Technology Harbin Institute of Technology Harbin 150001 China

School of Mechanical and Automation Weifang University Weifang 261061 China

Funding

National Natural Science Foundation of China · Natural Science Foundation of Shandong Province

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