Реферат: Механические свойства элементов Периодической системы Менделеева

Hardness, Vickers 30

Tensile Strength, Ultimate 37 MPa cast sample

Modulus of Elasticity 96,5 GPa

Gallium

Hardness, Vickers 50

Germanium

Knoop Microhardness 7644 N/mm²

Modulus of Elasticity 130 GPa Average of three axes

Poisson's Ratio 0,3 Calculated

Shear Modulus 50 GPa Average of three axes

Selenium

Knoop Microhardness 350 N/mm² Gray Selenium

Modulus of Elasticity 57,9 GPa

Shear Modulus 6,46 GPa

Rubidium

Modulus of Elasticity 2,35 GPa

Strontium

Bulk Modulus 11,61 GPa

Yttrium

Hardness, Vickers 40 highly anisotropic

Tensile Strength, Ultimate 150 MPa

Tensile Strength, Yield 67 MPa

Elongation at Break 34% in 25 mm

Modulus of Elasticity 63,5 GPa

Bulk Modulus 41,2 GPa

Poisson's Ratio 0,243

Shear Modulus 25,6 GPa

Zirconium

Hardness, Brinell 145 Converted from Vickers for 3000 kg load/10 mm ball, Annealed sample

Hardness, Rockwell A 49 annealed sample

Hardness, Rockwell B 78 Annealed sample

Hardness, Vickers 150 annealed sample

Tensile Strength, Ultimate 330 MPa Annealed

Tensile Strength, Yield 230 MPa Annealed

Elongation at Break 32% Annealed

Modulus of Elasticity 94,5 GPa