20.4. Material Properties

The unit system for this example problem is shown in the table below.

Unit SystemMetric (mm, t, N, s, mV, mA)
AngleDegrees

Material properties for the supporting columns, board, and IC packages are as follows:

Supporting Column Material Properties
Young's Modulus (ton/s2mm)71.0e3
Poisson's Ratio0.33
Density (ton/mm3)2.77e-009
Board and IC Packages Material Properties
Young's Modulus (ton/s2mm)1.1e3
Poisson's Ratio0.42
Density (ton/mm3)9.5e-010