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ASM Handbook

Corrosion: Materials

Edited by
Stephen D. Cramer
Stephen D. Cramer
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Bernard S. Covino, Jr.
Bernard S. Covino, Jr.
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ASM International
Volume
13B
ISBN electronic:
978-1-62708-183-2
Publication date:
2005
Book Chapter

Corrosion of Beryllium and Aluminum-Beryllium Composites

By
Warren J. Haws
Warren J. Haws
Brush Wellman, Inc.
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Published:
2005
Page range:
360 - 369
Publication history
April 05, 2006

Abstract

This article describes the four major conditions that can cause beryllium to corrode in air. These include beryllium carbide particles exposed at the surface; surface contaminated with halide, sulfate, or nitrate ions; surface contaminated with other electrolyte fluids; and atmosphere that contains halide, sulfate, or nitrate ions. The article provides information on the behavior of beryllium under the combined effects of high-purity water environment, stress and chemical environment, and high-temperature environment. The compositions of the structural grades for intentionally controlled elements and major impurities are tabulated. The article discusses in-process problems and procedures with beryllium and aluminum-beryllium composites to prevent corrosion during processing, handling, and storage. It also describes the types of coatings used on beryllium and aluminum-beryllium. These include chemical conversion coatings, anodized coatings, plated coatings, organic coatings, and plasma-sprayed coatings.

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Warren J. Haws, 2005. "Corrosion of Beryllium and Aluminum-Beryllium Composites", Corrosion: Materials, Stephen D. Cramer, Bernard S. Covino, Jr.

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