The effects of test temperature, temper, and alloyed copper on the hydrogen-controlled crack growth rate of an Al-Zn-Mg-(Cu) alloy

The hydrogen-environment embrittlement (HEE)-controlled stage II crack growth rate of AA 7050 (6.09 wt pct Zn, 2.14 wt pct Mg, and 2.19 wt pct Cu) was investigated as a function of temper and alloyed copper level in a humid air environment at various temperatures. Three tempers representing the unde...

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Veröffentlicht in:	Metallurgical and materials transactions. A, Physical metallurgy and materials science Physical metallurgy and materials science, 2002, Vol.33 (1), p.101-115
Hauptverfasser:	YOUNG, George A, SCULLY, John R
Format:	Artikel
Sprache:	eng
Schlagworte:	Activation energy Aging (metallurgy) Alloys Aluminum Applied sciences Bearing alloys Condensed matter: structure, mechanical and thermal properties Controlled cracks Copper Copper base alloys Crack propagation Exact sciences and technology Fatigue, brittleness, fracture, and cracks Hydrogen embrittlement Intergranular fracture Magnesium Mechanical and acoustical properties of condensed matter Mechanical properties of solids Metals. Metallurgy Overaging Physics Relative humidity Temperature Temperature dependence Zinc
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