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AMT 106
Materials and Processes
Term | Definition |
---|---|
Plain steel was one of the earlier and most popular metals used for the construction of aircraft: | Steel is a ferrous metal. |
Plain steel, identified as medium-carbon steel would be written as SAE 1030, SAE stands for society of automotive engineers, what does the 30 stand for in SAE 1030? | Thirty hundredths of one percent carbon. |
What is tensile strength? | The ability to withstand tension. |
The amount of stress needed to cause a metal to deform is called? | Yield strength. |
What is shear strength? | The ability of metal to withstand being cut cross-sectionally in half. |
When molecules inside metal are heated: | They want to move away from each other. |
A non-ferrous metal is: | A metal, which has elements other then iron as its base. |
The ability of a sheet of metal to return to its original position after normal stretching and bending is called what? | Elasticity. |
The ability of a joint to withstand any form of crushing or excessive compressive distortion is called what? | Bearing strength. |
Wrought aluminum alloys may be identified by: | The four-digit index system. |
Pure aluminum offers? | High resistance to corrosion. |
What is Alclad? | A pure aluminum coating applied to the surface of heat-treated aluminum alloy. |
What are the two types of heat treatments used for hardening aluminum alloys? | |
Magnesium is? | A lightweight metal with good strength, Suitable for some areas of aircraft structures, and weighs about 2/3 as much as aluminum. |
Heat treatable alloys have their condition of hardness designated how? | By the letter T followed by one or more numbers. |
Pure titanium is: | Soft and ductile. |
Monel is high in: | Nickel content. |
Is copper or its alloys used muched as structural materials? | No, neither find much use as structural materials. |
A brinell hardness tester measure: | The diameter of the impression made by the penetrator. |
What should not be used to extinguish a magnesium fire? | Water should never be used. |
The ability od metal to be shaped by drawing or pulling : | Ductility. |