Aspects regarding corrosion and mechanical tests for metallic parts obtained by Powder Metallurgy

The researches for this paper were made for knowing the corrosion behavior and mechanical resistance of some metallic powder's specimens obtained by powder metallurgy. This technology was chosen because of the technical and economic advantages, and the obtained parts can be used in all domains....

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2019-08, Vol.568 (1), p.12043
Main Authors: Didu, A, Pascu, I, Gheorghe, S, Rotea, C
Format: Article
Language:English
Subjects:
Argon
Chemical composition
Corrosion
Corrosion resistance
Corrosion tests
Inert atmospheres
Mechanical tests
Metal powders
Morphology
Powder metallurgy
Sintering (powder metallurgy)
Spring steels
Steel wire
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Summary:The researches for this paper were made for knowing the corrosion behavior and mechanical resistance of some metallic powder's specimens obtained by powder metallurgy. This technology was chosen because of the technical and economic advantages, and the obtained parts can be used in all domains. The parts were obtained from iron powders by pressing at different pressures and sintered in an inert atmosphere. The innovation was to obtain metallic composites, having as a matrix an iron powder type Ancorsteel 1000B and as a reinforcement a spring steel wire. The specimens were tested in different solutions and environments and also two mechanical tests. This paper presents a part of tests that were the corrosion in salt spray environment and bending tests, aiming to compare the results for the types of proposed specimens. For the morphological characterization (size, shape, surface) and chemical composition of the material used, SEM electronic microscopy was used using an FEI Inspect S microscope. The sintering was made in a neutral controlled atmosphere (argon) furnace.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/568/1/012043