hardening temperature
101Wood — /wood/, n. 1. Grant, 1892 1942, U.S. painter. 2. Leonard, 1860 1927, U.S. military doctor and political administrator. * * * I Hard, fibrous material formed by the accumulation of secondary xylem produced by the vascular cambium. It is the… …
102Sauna — For other uses, see Sauna (disambiguation). A traditional Finnish shore sauna view …
103Cryobiology — is the branch of biology that studies the effects of low temperatures on living things. The word cryobiology is derived from the Greek words cryo = cold, bios = life, and logos = science. In practice, cryobiology is the study of biological… …
104Shape memory alloy — A shape memory alloy (SMA, also known as a smart alloy, memory metal, or muscle wire) is an alloy that remembers its shape, and can be returned to that shape after being deformed, by applying heat to the alloy. When the shape memory effect is… …
105iron processing — Introduction use of a smelting process to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of iron and of its preparation for smelting. Iron (Fe) is a… …
106Cryogenics — For cryopreservation/resuscitation, see Cryonics. For the band, see Cryogenic (band). In physics, cryogenics is the study of the production of very low temperature (below −150 °C, −238 °F or 123 K) and the behavior of materials at those… …
107building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
108industrial polymers, major — Introduction chemical compounds used in the manufacture of synthetic industrial materials. In the commercial production of plastics, elastomers, man made fibres, adhesives, and surface coatings, a tremendous variety of polymers are… …
109Ductility — For ductility in Earth science, see Ductility (Earth science). Malleability redirects here. For the property in cryptography, see Malleability (cryptography). Tensile test of an AlMgSi alloy. The local necking and the cup and cone fracture… …
110Balance spring — A balance spring, or hairspring, is a fine spiral or helical spring used in mechanical watches, marine chronometers, and other timekeeping mechanisms to control the rate of vibration of the balance wheel. A balance spring usually has a regulator… …
