austenite2 Metallurgy.
(ˈɔːstɪnaɪt)
[a. F. austenite (Osmond 1896, in Bull. Soc. d'Encourag. de l'Industrie 738), f. the name of Sir William C. Roberts-Austen (1843–1902): see -ite1.]
(See quot. 19101.) Hence austeˈnitic a., containing austenite.
| 1902 [see troostite 2]. 1905 Nature 18 May 69/1 The polyhedral or ‘austenitic’ type of structure has never been obtained alone in a pure carbon steel... The austenitic structure appears to be that of the nose of the tool in actual use. 1910 Encycl. Brit. XIV. 804/2 Austenite is the name of the solid solution of an iron carbide in allotropic γ-iron. Ibid., On cooling into region 6 or 8 austenite should normally split up into ferrite and cementite, after passing through the successive stages of martensite, troostite and sorbite. 1922 Nature 24 June 818/1 The gamma-iron lattice of austenitic steels is enlarged by dissolved carbon. 1937 [see austempering vbl. n.]. 1947 Nature 11 Jan. 50/1 Austenitic irons have found a number of industrial uses. 1966 Economist 1 Oct. 80/1 Austenitic steel S-bends. |