engineering concepts in assitive technology 6

12
Material Properties Elasticity A -Elastic Limit B - Upper Yield Stress C - Lower Yield Stress D -Ultimate Stress E -Breaking Stress

Upload: enepomuceno

Post on 27-May-2015

275 views

Category:

Design


1 download

DESCRIPTION

This presentation is part six of a series that was recorded at the Rehabilitation Engineering and Assistive Technology Society of North America Conference in 2009. The presenter is Jerry Weisman from Rehabilitation Technology Services.

TRANSCRIPT

Page 1: Engineering Concepts in Assitive Technology 6

Material Properties Elasticity

A -Elastic LimitB - Upper Yield StressC - Lower Yield StressD -Ultimate Stress

E -Breaking Stress

Page 2: Engineering Concepts in Assitive Technology 6

Material Properties Viscoelasticity

Time dependent properties

Page 3: Engineering Concepts in Assitive Technology 6

Material Properties Viscoelasticity

Time dependent propertiesCreep

Page 4: Engineering Concepts in Assitive Technology 6
Page 5: Engineering Concepts in Assitive Technology 6
Page 6: Engineering Concepts in Assitive Technology 6
Page 7: Engineering Concepts in Assitive Technology 6
Page 8: Engineering Concepts in Assitive Technology 6
Page 9: Engineering Concepts in Assitive Technology 6
Page 10: Engineering Concepts in Assitive Technology 6
Page 11: Engineering Concepts in Assitive Technology 6
Page 12: Engineering Concepts in Assitive Technology 6

Material Properties Viscoelasticity

Time dependent propertiesStress Relaxation