OBK 200116 Material is a generic term used to describe physical matter in the solid state which occurs naturally or is manufactured to achieve particular physical properties and characteristics ID: 811406
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Slide1
MENA3100 – Characterization of materials
OBK,
20.01.16
Slide2Material is a generic term used to describe physical matter in the solid
state which occurs naturally or is manufactured to achieve particular
physical properties and characteristics.
Material characterization
char·ac·ter·ize 1 : to describe the character or quality of <characterizes him as ambitious>2 : to be a characteristic of : DISTINGUISH <an era characterized by greed>
What?
Properties
Chemistry
Structure
...
How?
Flewitt and Wilde
Merriam-Webster's Collegiate Dictionary
Why?
Et materiale er et fast stoff vi kan bruke til noe.
MENA1000
Slide3Composition
CaCO
3
Calcite
(Kalsitt, kalkspat)
Slide4Calcite structure
Aragonite
CaCO
3
Calcite
Aragonite
Orthorombic
Pmcna = 4,95 Å, b = 7,96 Å, c
= 5,73 Å
Aragonite structure
Hexagonal-R 32/ma = 4,99 Å, c = 17,06 Å
(a = 6,37 Å, a = 46°05’)
Slide5Skutterudite
CoAs
3
Structure type
CeFe
4Sb12
Filled skutterudites
La0,2Co4P12
Skuterud gård, Modum
CoP
3
NiP3
IrAs3
RhAs3
IrSb3
RhSb
3
CoSb
3
(Fe,Co)P
3
IrP
3
Slide6WHY?
But also:
Applications
Example: Skutterudites have interesting
thermoelectric properties
Slide7Microstructure
Steel
Slide8