hardening temperature
61Shape-memory alloy — A shape memory alloy (SMA, smart metal, memory metal, memory alloy, muscle wire, smart alloy) is an alloy that remembers its original, cold forged shape: returning the pre deformed shape by heating. This material is a lightweight, solid state… …
62human disease — Introduction an impairment of the normal state of a human being that interrupts or modifies its vital functions. health versus disease Before human disease can be discussed, the meanings of the terms health, physical fitness, illness …
63Chip formation — The basic chip formation process. Chip formation is part of the process of cutting materials by mechanical means, using tools such as saws, lathes and milling cutters. An understanding of the theory and engineering of this formation is an… …
64Tempering — For other uses, see Temper (disambiguation). Tempered steel. The various colors produced indicate the temperature to which the steel was heated. Light straw indicates 204 °C (399 °F) and light blue indicates 337 °C (639 °F) …
65dairy product — Introduction milk and any of the foods made from milk, including butter, cheese, ice cream, yogurt, and condensed and dried milk. Milk has been used by humans since the beginning of recorded time to provide both fresh and storable… …
66Cement — In the most general sense of the word, a cement is a binder, a substance which sets and hardens independently, and can bind other materials together. The name cement goes back to the Romans who used the term opus caementicium to describe masonry… …
67Beryllium copper — (BeCu), also known as copper beryllium, beryllium bronze and spring copper, is a copper alloy with 0.5 3% beryllium and sometimes with other alloying elements. Beryllium copper combines high strength with non magnetic and non sparking qualities.… …
68Nitriding — is a heat treating process that diffuses nitrogen into the surface of a metal to create a case hardened surface. It is predominantly used on steel, but also titanium, aluminum and molybdenum. Typical applications include gears, crankshafts,… …
69Concrete — This article is about the construction material. For other uses, see Concrete (disambiguation). Outer view of the Roman Pantheon, still the largest unreinforced solid concrete dome.[1] …
70elastomer — elastomeric /i las teuh mer ik/, adj. /i las teuh meuhr/, n. Chem. an elastic substance occurring naturally, as natural rubber, or produced synthetically, as butyl rubber or neoprene. [1935 40; ELAST(IC) + O + Gk méros a part] * * * ▪ chemical… …
