Module 1: Key Terms Flashcards

1
Q

What is an amorphous?

A

Amorphous materials are characterised by certain areas of short-range order. An amorphous solid does not have a definite geometric or crystalline shape. Amorphous and the terms non-crystalline and glossy are interchangeable.

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2
Q

Define Austenite

A

Austenite is the face centred cubic (FCC) phase of iron-containing some dissolved carbon.

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3
Q

What is a vector?

A

Any measure that has a magnitude and direction.

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4
Q

Define toughness

A

Toughness is the ability of a material to resist propagation of cracks. It is often identified as the area under a stress-strain graph.

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5
Q

Define thermoset

A

A polymer can be set by heating but cannot be softened by reheating.

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6
Q

Define thermoplastic

A

A polymer that can be softened by heating

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7
Q

What is timber?

A

Timber(or wood) is an organic material consisting of thin-walled tubes made of cullulose. These cellulose ‘tubes’ are bound together with weak glue called lignin.

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8
Q

Define stiffness

A

Stiffness is the resistance of an elastic body to deflection by an applied force.

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9
Q

What is steel?

A

Steel is alloy of iron and up to 2% carbon, often with addition of other alloying elements such as magnanese, silicon, chronium, nickel and molybdenum.

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10
Q

What is Atomic bonding?

A

An electrostatic attractive force within and between atoms that allows the formation of materials containing two or more atoms.

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11
Q

Define screw

A

A screw is form of simple machine used to translate rotary motion into linear motion.

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12
Q

What is brass?

A

Brass is an alloy of copper made up of inc 43% and Zinc

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