MENA3100 Characterization of materials OBK, 18.01.18 Material - - PowerPoint PPT Presentation

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Sep 03, 2023 475 likes •570 views

MENA3100 Characterization of materials OBK, 18.01.18 Material characterization 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

SLIDE 1

MENA3100 – Characterization of materials

OBK, 18.01.18

SLIDE 2

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.

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

SLIDE 3

Composition CaCO3 Calcite

(Kalsitt, kalkspat)

SLIDE 4

Calcite structure

Aragonite

CaCO3

Calcite Aragonite Orthorombic Pmcn a = 4,95 Å, b = 7,96 Å, c = 5,73 Å

Aragonite structure

Hexagonal-R 32/m a = 4,99 Å, c = 17,06 Å (a = 6,37 Å, a = 46°05’)

SLIDE 5

Skutterudite CoAs3

Structure type

CeFe4Sb12 Filled skutterudites La0,2Co4P12

Skuterud gård, Modum

CoP3 NiP3 IrAs3 RhAs3 IrSb3 RhSb3 CoSb3 (Fe,Co)P3 IrP3

SLIDE 6

WHY?

But also: Applications Example: Skutterudites have interesting thermoelectric properties

SLIDE 7

Microstructure

Steel

SLIDE 8