Properties Flashcards

1
Q

Define hardness

A

resistance to impact and abrasion

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2
Q

How is hardness of a wood tested?

A

By dropping a ball bearing onto it from a set height - Janka hardness test

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3
Q

Define toughness

A

amount that timber can be bent without breaking or splitting

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4
Q

Define durability

A

resistance to wear, long lasting

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5
Q

compressive strength

Mechanical Property

A

resistance to a pushing force

Mechanical Property

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6
Q

tensile strength

Mechanical Property

A

resistance to a pulling force

Mechanical Property

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7
Q

stiffness

Mechanical Property

A

resistance to bending or flexing

Mechanical Property

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8
Q

elasticity

Mechanical Property

A

ability to stretch and return to shape

Mechanical Property

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9
Q

impact resistance

Mechanical Property

A

resistance to knocks

Mechanical Property

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10
Q

brittleness

Mechanical Property

A

hard but easily broken or shattered

Mechanical Property

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11
Q

water resistance

Mechanical Property

A

resistance to water/moisture

Mechanical Property

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12
Q

absorbency

Mechanical Property

A

ability to soak up moisture

Mechanical Property

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13
Q

machinability

Manufacturing Properties

A

ability to be easily milled and drilled

Manufacturing Properties

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14
Q

workability

Manufacturing Properties

A

ability to be placed and compacted

Manufacturing Properties

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15
Q

ductility

Manufacturing Properties

A

ability to stretch without breaking under stress or impact

Manufacturing Properties

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16
Q

malleability

Manufacturing Properties

A

ability to be hammered/pressed/rolled without breaking

Manufacturing Properties

17
Q

acoustic

Other

A

absorbing sound

Other

18
Q

chemical

Other

A

corrosion resistance

Other

19
Q

MATHS BEWD

A

Machinability Brittleness
Absorbency Elasticity
Toughness Workability
Hardness Ductility
Stiffness