L12-materialintro - Materialproperties,testing, andselection

Info iconThis preview shows pages 1–13. Sign up to view the full content.

View Full Document Right Arrow Icon
Material properties, testing, and selection VM250, Design and Manufacturing I 1 Primary source: John Hart Includes material from D. Dutta and K. Saitou
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Introduction For sensible material and process selection, we need to know: Basic mechanical properties of materials Basic capabilities of manufacturing processes Material process compatibility Standard tests for load carrying capabilities Static loads: tension, bending, compression tests Impacts: impact, hardness tests Dynamic (cyclic) loads: fatigue tests Static loads at high temperature: creep tests
Background image of page 2
Various Materials
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Ashby and Cebon. Strength vs Weight in Material Selection
Background image of page 4
Properties of engineering materials material strength /weight forming corrosion resistance coloring recycle joining conductor? Metals ++ +++ + + +++ +++ either Ceramics +++ + +++ + + + no Glasses +++ +++ +++ +++ +++ + no Polymers + +++ + +++ ++ ++ no Composites +++ + depends + + + either
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Material properties Stiffness [Force/area] Strength [Force/area] Density [mass/volume] Ductility, machineability/formability Thermal and electrical conductivity Corrosion resistance Temperature resistance Fatigue resistance Recyclability etc. . and service attributes
Background image of page 6
…Determine a product’s service attributes Load carrying capability Operating temperature capability Service lifetime etc. .
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Metals YS: Yield Strength; TS: Tensile Strength; el: elongation
Background image of page 8
Ceramics Introduction to manufacturing processes, Schey (Course pack)
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Plastics Introduction to manufacturing processes, Schey (Course pack)
Background image of page 10
Composites Introduction to manufacturing processes, Schey (Course pack)
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Recyclability -
Background image of page 12
Image of page 13
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 07/31/2011 for the course ME 250 taught by Professor Limian during the Spring '11 term at Shanghai Jiao Tong University.

Page1 / 46

L12-materialintro - Materialproperties,testing, andselection

This preview shows document pages 1 - 13. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online