hardening temperature
111Crankshaft — For other uses, see Crankshaft (disambiguation). Crankshaft (red), pistons (gray) in their cylinders (blue), and flywheel (black) The crankshaft, sometimes casually abbreviated to crank, is the part of an engine which translates reciprocating… …
112Type metal — The term type metal (sometimes called hot metal ) represents a range of metal alloys that are used in traditional typefounding and mechanical typesetting. History Although the knowledge of casting soft metals in moulds was well established before …
113Heat shock protein — Heat shock proteins (HSP) are a group of proteins whose expression is increased when the cells are exposed to elevated temperatures or other stress. This increase in expression is transcriptionally regulated. This dramatic upregulation of the… …
114Polyphenol — Plant derived polyphenol, tannic acid, formed by esterification of ten equivalents of the phenylpropanoid derived gallic acid to a monosaccharide (glucose) core from primary metabolism …
115Industrial process — Industrial processes are procedures involving chemical or mechanical steps to aid in the manufacture of an item or items, usually carried out on a very large scale.Industrial processes are the key components of heavy industry.Most processes make… …
116Colonization of the Moon — Lunar outpost redirects here. For NASA s plan to construct an outpost between 2012 and 2024, see Lunar outpost (NASA). Moonbase redirects here. For other uses, see Moonbase (disambiguation). 1986 artist concept The colonization of the Moon is the …
117Carbonitriding — is a metallurgical surface modification technique that is used to increase the surface hardness of a metal, thereby reducing wear. During the process, atoms of carbon and nitrogen diffuse interstitially into the metal, creating barriers to slip,… …
118T-criterion — The T failure criterion [Andrianopoulos, N.P., Atkins, A.G., Experimental Determination of the Failure Parameters ΤD,0 and ΤV,0 in Mild Steels According to the T criterion, ECF9 Reliability and Structural Integrity of Advanced Materials, Vol. III …
119Alfred Wilm — Dr. Alfred Wilm, was a German metallurgist, who invented the alloy Al 3.5–5.5%Cu Mg Mn, now known as duraluminium, which is used extensively in aircraft.Wilm discovered age hardening, in particular age hardening in aluminium alloys in… …
120photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …
