Tuesday 8 June 2010

Magnesium alloys

Typical Physical/Mechanical Properties

Density: 1770-1830 kg/m3
Melting Point: 650 °C
Elastic Modulus: 44.8 GPa
Poisson's Ratio: 0.35
Tensile Strength: 152-379 MPa
Yield Strength: 80-280 MPa
Percent Elongation: 5-15%

Typical Thermal Properties

Thermal Expansion Coefficient: 26.1 × 10-6/K

source: www.efunda.com

Friday 14 May 2010

Thursday 6 May 2010

Metal: Copper ေၾကး



Source: htpp://www.efunda.com

Tuesday 4 May 2010

Plastic or Polymer: PMMA or Acrylic or Perspex

Metal: Steels

Metal: Titanium

Typical Physical/Mechanical Properties
Density: 4510 kg/m3
Melting Point: 1668 °C
Elastic Modulus: 100-120 GPa
Poisson's Ratio: 0.33
Tensile Strength: 234 MPa
Yield Strength: 138 MPa
Percent Elongation: 54%

Typical Thermal Properties

Thermal Expansion Coefficient: 8-10 × 10-6/K

Acoustic Properties

sound speed : 6070 [m/s]
impedance: 21.6 Mrayls