Studying Chemical Composition, Structure, and Mechanical Properties EP648 Alloy Fabricated by Deformation, Lost Wax Casting, and Selective Laser Sinteringстатья
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Дата последнего поиска статьи во внешних источниках: 23 января 2026 г.
Аннотация:This article analyzes the chemical composition, structure, and mechanical properties of heat resistant nickel alloy, grade EP648, fabricated by various methods: deformation, lost wax casting, and selective laser sintering. It has been demonstrated that the deformed material is characterized by low porosity and higher impact toughness and plasticity; the cast material is characterized by coarser grains and a high level of long term strength and low cycle fatigue; and the material fabricated by selective laser sintering is characterized by a higher content of oxygen and nitrogen and a fine-grained structure with extremely intense grain irregularity and inheritance, as well as higher short term strength.