Study of the Mechanical Properties of Ti-3Al2.5V after Surface Plasma Gas Treatment with Indirect Plasma Torch
Study of the Mechanical Properties of Ti-3Al2.5V after Surface Plasma Gas Treatment with Indirect Plasma Torch

Summary/Abstract: Commercial titanium alloy Ti-3Al-2.5V became one of the most widely used titanium alloys after its introduction in the early seventies. It has a very attractive combination of tensile strength, creep strength, toughness and high-temperature stability for long-term applications up to 425ºC. It is used for gas turbine components and in other applications where this good combination of properties is required [1]. At the same time it has poor tribological properties that are typical of most of the titanium alloys. It has low surface hardness and wear resistance. These disadvantages of the material limit its application [1], [2]. Ti-3Al-2.5V was chosen for this experimental work because it showed a good plasma gas nitriding performance in comparison with the other alloys during the tests.

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