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Circular of the Bureau of Standards no. 42 2nd edition: metallographic testing

S. W. Stratton

1921Englishmetallographymicrostructuremetallographic preparationmicroscopymetalsalloys

Abstract

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In the modern testing of metals, determining their properties is insufficient without understanding the underlying conditions that influence these properties. This circular outlines the significance of metallography, which encompasses the study of the structure, constitution, and treatment of metals and alloys. It identifies critical factors affecting the mechanical and other common properties of metals, including melting and casting conditions, mechanical working, thermal treatment, and structural features. The document discusses various metallographic testing methods employed by the Bureau of Standards, categorized into microscopy and structure of metals, thermal analysis and heat treatment, mechanical working, chemical metallurgy, and the melting of metals. These categories align with the subdivisions within the field of metallurgy and serve to facilitate the physical metallurgical research and investigations. Ultimately, the circular emphasizes the necessity of incorporating metallographic examination methods alongside traditional mechanical tests and chemical analyses to achieve a comprehensive understanding of metals and alloys, thereby addressing complex issues that were previously intractable with older testing methodologies.

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Cite This Work

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  title={Circular of the Bureau of Standards no. 42 2nd edition: metallographic testing},
  author={S. W. Stratton},
  year={1921},
  language={English}
}
TY  - JOUR
TI  - Circular of the Bureau of Standards no. 42 2nd edition: metallographic testing
AU  - S. W. Stratton
PY  - 1921
LA  - English
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