Tham khảo tài liệu 'smithells light metals handbook part 2', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | The physical properties of magnesium and magnesium alloys Table THE PHYSICAL PROPERTIES OF SOME MAGNESIUM AND MAGNESIUM ALLOYS AT NORMAL TEMPERATURE Coeff of thermal Material Nominal composition Condition Density at 20 C -3 gcm 3 Melting point expansion 20-200 C 10 6 K 1 Thermal conductivity Wm 1 K 1 Electrical resistivity g Q cm Specific heat 20-200 C J kg 1 K1 Weldability by argon arc process Relative damping capacity C Sol. Liq. Pure Mag Mg T1 650 167 1 050 A Mg-Mn MN70 Mn approx. T1 650 651 146 5 1 050 A AM503 Mn T1 650 651 142 1 050 A C Mg-Al AL80A1 approx. T1 630 640 117 6 1 050 A Be Mg-Al-Zn AZ31 Al 3 T1 575 630 84 1 050 A Zn 1 A8 Al 8 AC 475 600 84 1 000 A C Zn AC T4 84 - 1 000 AZ91 Al AC 470 595 84 1 000 A C Zn AC T4 84 1 000 AC T6 84 - 1 000 AZM Al 6 T1 510 610 79 14 000 A Zn 1 AZ855 A1 8 T1 475 600 79 1 000 A Zn Mg-Zn-Mn ZM21 Zn 2 T1 A Mn 1 Mg-Zn-Zr ZW1 Zn T1 625 645 134 1 000 A A Zr ZW3 Zn 3 T1 600 635 125 960 C Zr Z5Z Zn AC T6 560 640 113 960 C Zr ZW6 Zn T5 530 630 117 1050 C Zr 10 Smithells Light Metals Handbook Mg-Y-RE-Zr WE43 Y RE 1 Zr AC T6 550 640 51 966 A WE54 Y AC T6 550 640 52 960 A RE 1 Zr Mg-RE-Zn-Zr ZRE1 RE AC T5 545 640 100 1 050 A B ZN Zr RZ5 Zn AC T5 510 640 113 960 B RE Zr ZE63 Zn 6 AC T6 515 630 109 960 A RE Zr Mg-Th-Zn-Zr ZTY Th T1 600 645 121 960 A Zn Zr ZT1 Th AC T5 550 647 105 960 A B Zn Zr TZ6 Zn AC T5 500 630 113 960 B Th Zr Mg-Ag-RE-Zr QE22 Ag AC T6 550 640 113 1000 A RE D Zr EQ21 RE D AC T6 540 640 .