Advanced Material Science Crossword Puzzle

QUESTIONS LIST:

• alloy : a material having metallic characteristics and made up of two or more elements, one of which is a metal.
• annealing : the process of softening a metal by heating it, usually above the upper critical temperature.
• crystal : a solid body whose atoms are arranged in a definite pattern that repeats itself in various directions, corresponding with growth in the size of the crystal.
• distortion : the undesired alteration of a part usually caused by mechanical or thermal means; may also be applied to waveforms.
• ferrous metals : metals that contain iron as the primary element. ferrous metals are the most common type of welded metal.
• grain : the crystalline body which may be viewed under a microscope as having definable limits.
• hardness : the ability of a material to resist indentation, penetration, abrasion, and/or scratching.
• heat treatment : the controlled heating and cooling processes used to change the structure of a material and alter its physical and mechanical properties.
• nonferrous metal : a metal that does not contain iron. nonferrous metals are more difficult to weld than ferrous metals.
• space lattice : the definite geometric pattern or structure in which atoms arrange themselves, and in which a basic cell is repeated along three-dimensional lines. each solid crystal (or grain, if atoms are of a metal element) develops around such a space lattice.
• specific heat : the quantity of heat necessary to raise a unit mass of a substance by one degree celsius (1.8°f). if twice as much energy is added to a substance, its temperature should increase by twice as much. specific heat is usually expressed in joules.
• tempering : a heat-treating process that increases the hardness of metals by reheating and then cooling.
• thermal conductivity : the rate at which heat flows through metal.
• yield strength : the ability of a metal to tolerate gradual progressive force without permanent deformation.