Influence of Heat Treatment and Cold Working on Ageing of Logarithmic Decrement in Al-Zn Alloys
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چکیده
منابع مشابه
Microstructure of Al-Zn and Zn-Al Alloys*
The change of microstructure of the title alloys with concentration, temperature and applied thermal treatment was studied in situ by XRD. The alloys, having the Zn atomic fraction, x(Zn), from 0.03 to 0.62, were subjected to: (i) rapid quenching from a temperature, Tt, higher than the solid-solution temperature, Tss, in water at RT (samples WQ); (ii) slow cooling from Tt to RT (samples SC). Th...
متن کاملcritical period effects in foreign language learning:the influence of maturational state on the acquisition of reading,writing, and grammar in english as a foreign language
since the 1960s the age effects on learning both first and second language have been explored by many linguists and applied linguists (e.g lennerberg, 1967; schachter, 1996; long, 1990) and the existence of critical period for language acquisition was found to be a common ground of all these studies. in spite of some common findings, some issues about the impacts of age on acquiring a second or...
15 صفحه اولInfluence of Heat Treatment on the Surface Structure of 6082 Al Alloys
The b-Al5FeSi intermetallic phase and coarse Mg2Si particles have negative effects on extrudability and workability of 6xxx Al alloys billets. To achieve extruded products with a high surface quality, the as-cast billets are heat-treated before extrusion. During heat treatment, the undesired intermetallic particles, i.e., b-AlFeSi platelets are transformed to rounded a-Al(FeMn)Si intermetallic ...
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ژورنال
عنوان ژورنال: Journal of the Japan Institute of Metals and Materials
سال: 1991
ISSN: 0021-4876,1880-6880
DOI: 10.2320/jinstmet1952.55.6_715