Реферат: Механические свойства элементов Периодической системы Менделеева

Modulus of Elasticity 73,1 GPa

Compressive Yield Strength 200 MPa Approximately equal to tensile

Bulk Modulus 57,7 GPa

Poisson's Ratio 0,27

Fatigue Strength 97 MPa reversed bend test endurance limit

Shear Modulus 28 GPa

Protactinium

Bulk Modulus 157 GPa

Uranium (Cast)

Hardness, Brinell 185 Converted from Vickers for 3000 kg load/10 mm ball Brinell test Unspecified heat treatment

Hardness, Rockwell A 55 Unspecified heat treatment

Hardness, Rockwell B 90 Unspecified heat treatment

Hardness, Rockwell C 10 Unspecified heat treatment

Hardness, Vickers 190 Unspecified heat treatment

Tensile Strength, Ultimate 400 MPa

Tensile Strength, Yield 200 MPa

Elongation at Break 4%

Modulus of Elasticity 190 GPa

Poisson's Ratio 0,22

Shear Modulus 86 GPa Calculated

Uranium (Beta-Annealed)

Tensile Strength, Ultimate 615 MPa

Uranium (Wrought Α Phase)

Tensile Strength, Ultimate 1150 MPa

Tensile Strength, Yield 740 MPa

Elongation at Break 14%

Neptunium

Hardness, Vickers 346

Bulk Modulus 118 GPa

Shear Modulus 80 GPa

Plutonium

Hardness, Brinell 242 Converted from Vickers for 3000 kg load/10 mm ball Brinell test

Hardness, Rockwell A 62

Hardness, Rockwell C 22

Hardness, Vickers 250