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MEM30007A

CLASSIFICATION

MATERIAL EX
ERCISE

Created by Stephen S. Davis

Tuesday, 23 August 2011


Page
1

of
3


MATERIAL

NUMBER


MATERIAL

DESCRIPTION

CLASSIFICATION

COMMENTS

1

‘Alnico’

( 12%Co, 9.5%Al,
17%Ni, 5%Cu, bal. Fe)

Ferrous Metal

Alloy

Permanent Magnet Alloy

High Magnetic
Properties

2

Wood

Cellulose fibre bonded by
Lignin


Composite

Historic building /
construction material,
relatively high specific
strength especially
compression

3

Reinforced Concrete

Steel bar +
concrete (sand, cement, lime)


Composite

Combines tensile
strength of st
eel with
compressive strength on
concrete

4

Carbon fibre

Composite

High specific stiffness

5

Glass reinforced plastic ( GRP )

Composite

Combines h
igh specific
stiffness

of glass with
matrix ductility of
plastic

6

Tungsten Carbide

(WC)

+Cobalt
bonding agent

Composite

Cermet
. Combines
ductility & toughness of
metals with hardness &
stiffness of ceramics

7

Silicon Carbide

(SiC)

+ Cobalt /
Chromium bonding agent

Composite

Cermet
.
Combines
ductility & toughness of
metals with hardness &
st
iffness of ceramics

8

Titanium Boride (TiB2) + Cobalt
/ Nickel bonding agent

Composite

Cermet
.
Combines
ductility & toughness of
metals with hardness &
stiffness of ceramics

9

Natural Rubber

Polymer Elastomer

Iso
prene

10

Vulcanised

Rubber

Polymer
Elastomer

Sulphur cross linked
chains

11

Neoprene

Synthetic

Polymer

Chloroprene Monomer

12

Soda Glass ( 72%SiO2,
15%Na2O, 9%CaO, 4%MgO)

Ceramic

Windows, plate glass,
bottles

13

Boro
-
silicate glass ( 70%SiO2,
7%Na2O+KsO, 3%Al2O3,
20%B2O3)

Ceramic

Heat resistant, chemical
resistant. “Pyrex”

14

Zirconium

Oxide ( ZrO2)

Refractory Ceramic

Resistant to heat with
deformation under
service conditions


15

Magnesium Oxide ( MgO)

Refractory Ceramic

Resistant to heat with
deformation under
service conditio
ns

16

Polyethylene

Thermoplastic polymer

C
2
H
4

base monomer
,
tough, flexible

17

Polystyrene

Thermoplastic polymer

C
2
H
3
, C
6
H
12

base
monomer
, tough, dense

18

Poly Vinyl Chloride ( PVC )

Thermo plastic polymer

C
2
H
3
Cl base monomer
,
resistant to water, acids,

common solvents

MEM30007A

CLASSIFICATION

MATERIAL EX
ERCISE

Created by Stephen S. Davis

Tuesday, 23 August 2011


Page
2

of
3


MATERIAL

NUMBER


MATERIAL

DESCRIPTION

CLASSIFICATION

COMMENTS

19

Poly Tetra
Fluoro ethylene


( Teflon )

Thermoplastic polymer

C
2
F
4

base monomer
,
tough, flexible, heat
resistant’ low friction

20

Phenol Formaldehyde

Thermosetting polymer

Phenol group cross
linking ( Bakelite )
, very
strong & stiff, creep
resistant

21

Urea Formaldehyde

Thermosetting polymer

Nitrogen cross linking
,
creep resistant, solvent
resistant

22

Epoxides

Thermosetting polymer

Amine cross linking
,
good
adhesion

to me
tals
,
excellent electrical
resistance

23

Silicones

Thermosetting polymer

Silicon in monomer
chain
. Water repellent,
not attacked by mineral
acids, excellent
dielectric properties

24

IMI 700 (6%Al, 5%Zn, 3%Mo,
1%Cu, bal. Ti )

Titanium Non Ferrous alloy
metal

High specific strength,
high creep & fatigue


aircraft use

25

IMI Ti680 (11%Sn, 2.25%Al,
4%Mo, 0.2%Si)

Titanium Non Ferrous alloy
metal

High specific strength,
high creep & fatigue


aircraft use

26

White Bearing metal (10%Sb,
3%Cu, 40%Sn, bal. Pb

)

Lead based
non
-
ferrous

alloy
metal

Hard, wear resistant, low
coefficient of friction

27

Babbitt

metal ( 90%Sn, 10%Sb )

Tin based
non
-
ferrous

alloy
metal

Hard, wear resistant, low
coefficient of friction

28

Mazak ( 4%Al, 2.7%Cu, bal. Zn )

Zinc based on

ferrous alloy
metal

Die casting

extensively
used
domestic

hardware
& engineering
components

29

Hastealloy D ( 85%Ni, 10%?,
3%Cu, 1%Al )

Nickel based
non
-
ferrous

alloy metal

Corrosion

& heat
resistant, tough, hard
casting alloy

30

Nimonic ( 75%Ni, 20%Cr
)

Nickel based
non
-
ferrous

alloy metal

High Temperature Creep
Resistant

31

Magnesium ( 5.5%Zn, 0.6%Zr )

Magnesium based non
-
ferrous metal alloy

Heat treatable, high
strength, low density,
aircraft / aerospace use

32

Magnesium ( 10%Al, 0.3%Mn,
0.7%??, 0.7%Zn )

Magnesium based non
-
ferrous metal alloy

Cast alloy,

33

Cartridge Brass ( 30%Zn, bal. Cu
)

Copper based non
-
ferrous
metal alloy

Very high ductility, deep
drawing

34

High Tensile Brass (
Mn+Al+Fe+Sn <7%, 37%Zn, bal.
Cu)

Copper based non
-
ferrous
metal alloy

Cast propellers, water
turbine
runners

35

Admiralty Gunmetal ( 10%Sn,
2%Zn, bal. Cu)

Copper based non
-
ferrous
metal alloy

Good casting properties,
corrosion properties

MEM30007A

CLASSIFICATION

MATERIAL EX
ERCISE

Created by Stephen S. Davis

Tuesday, 23 August 2011


Page
3

of
3





MATERIAL

NUMBER


MATERIAL

DESCRIPTION

CLASSIFICATION

COMMENTS

36

Aluminium Bronze ( 5%Al, Ni +
Mn < 4%, bal. Cu )

Copper based non
-
ferrous
metal alloy

Good corrosion,

resistance to oxidation


37

Cupro
-
Nickel ( 2.5%Ni,
0.25%Mn, bal. Cu )

Copper based non
-
ferrous
metal alloy

Coinage ‘silver’

38

Monel Metal ( 68%Ni, 1.25%Fe,
1.25%Mn, bal. Cu )

Copper based non
-
ferrous
metal alloy

Good mechanical
properties & corrosion
resistance

39

Beryllium Bronze ( < 2% Be, bal.
Cu )

Copper based non
-
ferrous
metal alloy

Non sparking tools + very
high strength

40

Aluminium ( 1%Mn, bal. Al )

Aluminium based non
-
ferrous metal alloy

Work hardenable,
wrought form

41

Aluminium ( based on 4%Cu )

Aluminium based non
-
ferrous metal alloy

Duralumin, precipitation
hardening

42

Y Alloy ( 4%Cu, 0.3%Si,
1.5%Mg, 2%Ni, bal. Al )

Aluminium based non
-
ferrous metal alloy

Cast pistons and cylinder
heads

43

S.G. Iron ( low S, P, High Si,
3.25%C, bal. Fe )

Cast Iron specially treated
with Mg to form spheroids
of graphite. Ferrous metal
alloy

High strength and
ductility when annealed

44

Malleable Iron ( lower %C than
SG, low Si to form white
structur
e, bal. Fe )

Cast iron, Ferrous metal
alloy

Medium strength, high
ductility after annealing

45

Cutlery Steel ( 0.3%C, 13%Cr,
bal. Fe )

Ferrous metal alloy

Develops high hardness
to keep sharpness of edge

46

18/ 8 Stainless Steel ( 0.05%C,
8.5%Ni, 18%Cr,
bal. Fe )

Ferrous metal alloy

Austenitic, nonmagnetic,
cold workable

47

High Speed Steel ( 0.75%C,
4.25%Cr, 18%W, 1.2%V, bal. Fe
)

Ferrous metal alloy

Retains high hardness at
high temperatures during
machining

48

Hot Working Die Steel ( 0.35%C,
1%Si,
5%Cr, 1.5%Mo, 0.4%V,
1.35%W, bal. Fe )

Ferrous metal alloy

Used for hot working at
high temperatures > 1000
C

49

Mild Steel ( 0.10%C, 0.40%Mn,
bal. Fe )

Ferrous metal alloy

Common cheap, ease of
forming

50

Hadfield’s Austenitic Manganese
Steel ( 1.2%C, 1
3%Mn, bal. Fe )

Ferrous metal alloy

Abrasion resistant, track
crossings, points