Реферат: Механические свойства элементов Периодической системы Менделеева

Shear Strength 500 MPa torsional strain rate 0,25/sec

Molybdenum (Recrystallized)

Tensile Strength, Ultimate 415 MPa

Tensile Strength, Yield 300 MPa 0,2% Offset

Elongation at Break Max 40% in 50 mm

Molybdenum (Stress Relieved Condition)

Tensile Strength, Ultimate 515 MPa

Tensile Strength, Yield 415 MPa 0,2% Offset

Elongation at Break 2–17% in 50 mm

Technetium (Annealed)

Hardness, Brinell 112

Hardness, Vickers 151

Tensile Strength, Ultimate 800 MPa

Tensile Strength, Yield 320 MPa 0,2% offset

Elongation at Break 30% in 25 mm

Modulus of Elasticity 322 GPa in tension

Bulk Modulus 281 GPa

Poisson's Ratio 0,31

Shear Modulus 123 GPa

Technetium (As-Rolled)

Hardness, Brinell 442

Hardness, Vickers 394

Tensile Strength, Ultimate 1510 MPa

Tensile Strength, Yield 1290 MPa 0,2% offset

Elongation at Break 4% in 25 mm

Ruthenium (Annealed)

Hardness, Brinell 220 Converted from Vickers for 3000 kg load/10 mm ball Brinell test

Hardness, Rockwell A 60 Converted from Vickers

Hardness, Rockwell B 96 Converted from Vickers

Hardness, Rockwell C 18 Converted from Vickers

Hardness, Vickers 220

Tensile Strength, Ultimate 370 MPa

Modulus of Elasticity 414 GPa

Ruthenium (Hot Rolled Bar)

Tensile Strength, Ultimate 540 MPa