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Terms in this set (26)
a metal composed of two or more elements, at least one of which is metallic
a permanent mold casting process in which molten metal is injected into mold cavity under high pressure
The ability for a material to plastically strain without fracture
The box, or two part container, that contains the various components of a sand casting mold
The property of a material's resistance of permanent indention, which usually indicates materials resistance to scratches and wear
The technical and physical limitations of a manufacturing firm.
A sand casting mold component that is usually made of wood, metal, or plastic and forms the shape of the part to be cast in the sand
The property of a metal in which metal becomes stronger as its strain increases, and is particularly important to the manufacturing process of metal forming
A polymer that can be subject to heating and cooling cycles repeatedly without significant degredation
A polymer that is distinguished by its cross-linked structure that cures or sets permanently and cannot be re-melted
Which of the following are common categories of steels used in manufacturing?
What are the four major categories of engineering materials important to, and used in, manufacturing?
Name two properties of metals that are of critical importance to commercial manufacturing.
(T/F) Low Alloy Steels have superior mechanical properties to plain carbon steels.
True, low alloy steels are stronger then plan carbon steels
Why do Low Alloy Steels have better mechanical properties than Plain Carbon Steels?
They have higher carbon content and are mixed with other elements
What is steel made from?
Iron alloyed with carbon (usually less than 1%)
What is the difference between Ferrous and Non-Ferrous Metals?
Ferrous metals contain iron (steels and cast irons) and non- ferrous metals do not
Name 4 Non-Ferrous Metals
Aluminum, Magnesium, Zinc, Copper
List three major categories of Polymer materials important to manufacturing.
A casting is both a _______ and a __________.
Process and a Parts
What are two advantages to using a cast part?
The part being made can be complex and the cast can still be accurate after many uses and casting can create a part with a smooth finish
What are the 3 processing operations in manufacturing?
-Surface Processes Operations
Capability to absorb energy
Stiffness and strength Metal alloys
Used to provide structural framework
What are the four category of steels used in manufacturing?
-Plain Carbon steels
-Low alloy steel
Why are aluminum alloys extremely useful in manufacturing?
-They are very ductile and can be readily formed into useful shapes
-Generally, aluminum alloys are easy to process in machining operations
-aluminum alloys are available in both wrought and cast forms
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