NDLI: MICROSTRUCTURE AND MECHANICAL PROPERTIES OF AN Al-Zn-Mg-Cu ALLOY PRODUCED BY GRAVITY CASTING PROCESS MIKROSTRUKTURA I WŁAŚCIWOŚCI MECHANICZNE STOPU Al-Zn-Mg-Cu WYTWORZONEGO METODĄ ODLEWANIA GRAWITACYJNEGO

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MICROSTRUCTURE AND MECHANICAL PROPERTIES OF AN Al-Zn-Mg-Cu ALLOY PRODUCED BY GRAVITY CASTING PROCESS MIKROSTRUKTURA I WŁAŚCIWOŚCI MECHANICZNE STOPU Al-Zn-Mg-Cu WYTWORZONEGO METODĄ ODLEWANIA GRAWITACYJNEGO

Content Provider	Semantic Scholar
Author	Saikawa, Seiji Ikeno, S. Morita, Keiji Sunayama, N. Komai, Kenjiro
Copyright Year	2015
Abstract	High-strength aluminum alloy are widely used for structural components in aerospace, transportation and racing car applications. The objective of this study is to enhance the strength of the Al-Zn-Mg-Cu alloy used for gravity casting process. All alloys cast into steppedform sand mold (Sand-mold Casting; SC) and Y-block shaped metal mold(Permanent mold Casting; PC) C and then two –step aged at 398 -423 K after solution treated at 743 K for 36 ks. The tensile strength and total elongation of the two-step aged SC alloys were 353-387 MPa and about 0.4% respectively. This low tensile properties of the SC alloys might be caused by remaining of undissolved crystallized phase such as Al2CuM, MgZn2 and Al-Fe-Cu system compounds. However, good tensile properties were obtained from PC alloys, tensile strength and 0.2% proof stress and elongation were 503-537 MPa , 474-519 MPa and 1.3-3.3%. The reason of the good properties in PM alloys, is the lowed amount of undissolved crystallized phase than that of SC ones and primary crystallized alpha-Al phase was finer due to high cooling rate at solidification in casting.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.imim.pl/files/archiwum/Vol2A_2015/50.pdf
Alternate Webpage(s)	https://content.sciendo.com/downloadpdf/journals/amm/60/2/article-p871.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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