Metals -> Magnesium -> Magnesium - lithium alloy Characteristics of the material MА18 ( МА18 ).
Material : MА18 ( МА18 ) Classification : Magnesium - lithium alloy
Chemical composition in % of the material MА18 ( МА18 ) . Mn Ce Al Mg Zn Li 0.1 - 0.4 0.15 - 0.35 0.5 - 1 84.25 - 87.25 2 - 2.5 10 - 11.5
Comment: Mg is a basis; the percentage of Mg is given approximately. Mechanical properties under Т=20o С of the material MА18 ( МА18 ) .
Assortment
Dimension
Direct.
s в
s T
d 5
y
KCU
Heat treatment - mm - MPa MPa % % kJ / m2 - 185 150 30.5 60 280
Brinell hardness of the material MА18 ( МА18 ) , HB 10 -1 = 60 MPa
Physical properties of the material MА18 ( МА18 ) . T E 10- 5 a 10 6 l r C R 10 9 Grade MPa 1/Grade Watt/(m·Grade) kg/m3 J/(kg·Grade) Ohm·m 20 0.45 1480
Specification :
Mechanical properties :
s в - Tensile strength , [MPa]
s T - Yield stress, [MPa]
d 5 - Specific elongation at fracture , [ % ]
y - Reduction of area , [ % ]
KCU - Impact strength , [ kJ / m2 ]
HB - Brinell hardness , [MPa]
Physical properties :
T - Test temperature , [Grade]
E - Young modulus , [MPa]
a - Coefficient of linear expansion
(range 20o - T ) , [1/Grade]
l - Termal (heat) condition coefficient , [Watt/(m·Grade)]
r - Density , [kg/m3 ]
C - Specific heat
( range 20o - T ), [J/(kg·Grade)]
R - Electrical resistance , [Ohm·m]
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