Term
For a binary phase diagram, the composition of the phases on a two-phase region can be determined by |
|
Definition
|
|
Term
For a binary phase diagram, the amounts of each phase present in a two-phase region can be determined by |
|
Definition
|
|
Term
A phase diagram where only two elements or compounds are present is called a |
|
Definition
|
|
Term
A phase has the following characteristics except A phase diagram gives the following information about an alloy |
|
Definition
|
|
Term
It is a material that exhibits properties of a metallic material and is made of multiple elements |
|
Definition
|
|
Term
In a solid solution, increasing the number of impurites usually affects the properties of the solution as follows: |
|
Definition
Tensile strength, yield strength and ductility increase |
|
|
Term
Forming a solid solution strengthens the host material because |
|
Definition
The stress introduced by the impurity atoms stop dislocations |
|
|
Term
The difference between unlimited and limited solubility of solids is that |
|
Definition
Unlimited forms only one phase |
|
|
Term
Homogenization heat treatment...? |
|
Definition
Heats the casting to a temperature below the nonequilibrium solidus |
|
|
Term
In a binary phase diagram the vertical axis is temperature and the horizonal axis is...? |
|
Definition
|
|
Term
In a binary phase diagram, when a material is in a two phase region, how do you find the composition of each phase? |
|
Definition
Using the endpoints of the tie line |
|
|
Term
Macrosegregation occurs over...? |
|
Definition
Long distances, between the surface and the center of the casting |
|
|
Term
Microsegregation occurs over...? |
|
Definition
Short distances, often between dendrite arms |
|
|
Term
Spray atomization is a...? |
|
Definition
Solidification process of small droplets into a powder |
|
|
Term
The area between the liquidus and solidus curves is the...? |
|
Definition
|
|
Term
The lever rule is used to calculate the...? |
|
Definition
Relative amounts of each phase in the alloy |
|
|
Term
The strength of copper increases by solid-solution strengthening until about what weight percentage of nickel is added? |
|
Definition
|
|
Term
What causes nonequilibrium solidication? |
|
Definition
|
|