| 摘要 |
1,272,853. Heat-treating aluminium alloys. OLIN CORP. Nov.17, 1969 [Jan.3, 1969], No.56100/69. Heading C7A. An alloy containing in per centage by weight Mg 6-10 and optionally one or more of B 0À001-0À35 Cr 0À05-0À3 Ga 0À01-0À5 Cd 0À03-0À5 Th 0À005-0À35 misch metall 0À005-0À3 Te 0À005-0À3 Ge 0À01-0À55 Co 0À1-0À8 Cu -0À6 together with as impurities Fe -0À5 Si -0À5 Mn -0À35 Zn -0À2 Ti -0À15 Be -0À02 the balance being aluminium, is homogenized for 4 to 48 hours at 800‹ F. or above, cooled to 625‹ -760‹ F., and worked in that range with a reduction of up to 95%. |
