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Effect of heat treatment on microstructure and tribological characteristics of the samples produced by the method of additive manufacturing

Name
Andrey
Surname
Gorunov
Scientific organization
Kazan National Research Technical University named after A.N.Tupolev - KAI (KNRTU-KAI)
Academic degree
Ph.D
Position
Associate professor
Scientific discipline
New materials, Manufacturing technologies & Processes
Topic
Effect of heat treatment on microstructure and tribological characteristics of the samples produced by the method of additive manufacturing
Abstract
The work established that the heating the samples to a temperature of 1050 C (1.5 hr exposure) obtained by direct application of the laser leads to increased wear resistance. Reduced strength is achieved through the provision of grain carbide phases. The structural zone formed during LMD. It was found that the cross-sectional structure of the samples consists of alternating columnar and small zones variously oriented crystals.
Keywords
Direct laser deposition of the material, heat treatment, nickel alloy, microstructure, wear resistance, durability, strength.
Summary
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