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martensite

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martensite
martensite Metallurgy. (ˈmɑːrtɛnzaɪt) [f. name of Prof. A. Martens, a German metallurgist + -ite.] See quot. 1902. (Cf. pearlite 2.)1898 Roberts-Austen Introd. Metallurgy (ed. 4) 147 Martensite is the very hard substance of which hardened steel consists. 1902 H. M. Howe in Encycl. Brit. XXIX. 572 Ma... Oxford English Dictionary
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Martensite
A very rapid quench is essential to create martensite. For steel with 0–0.6% carbon, the martensite has the appearance of lath and is called lath martensite. wikipedia.org
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Martempering
In the martempering process, austenitized metal part is immersed in a bath at a temperature just above the martensite start temperature (Ms). The metal part is then removed from the bath and cooled in air to room temperature to permit the austenite to transform to martensite. wikipedia.org
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martensitic
martensitic, a. Metallurgy. (mɑːtɛnˈzɪtɪk) [f. martensite + -ic.] Pertaining to or containing martensite; resembling the structure or mode of formation of martensite.1909 in Cent. Dict. Suppl. 1915 Chem. Abstr. IX. 437 A martensitic structure is produced in 0·28% C steel without increase in hardness... Oxford English Dictionary
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Bainite
Difference between martensite and bainite Bainite can essentially be regarded as martensite that tempers during the course of transformation. It forms at a higher temperature than martensite, and even the latter can autotemper. wikipedia.org
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Austenite
The volume change (martensite is less dense than austenite) can generate stresses as well. Tempering following quenching will transform some of the brittle martensite into tempered martensite. wikipedia.org
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Martensitic stainless steel
Martensitic stainless steel is a type of stainless steel alloy that has a martensite crystal structure. Untempered martensite is low in toughness and therefore brittle.Tempered martensite gives steel good hardness and high toughness as can be seen below; wikipedia.org
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Tempering (metallurgy)
In carbon steels, tempering alters the size and distribution of carbides in the martensite, forming a microstructure called "tempered martensite". Retained austenite are crystals that are unable to transform into martensite, even after quenching below the martensite finish (Mf) temperature. wikipedia.org
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(PDF) Fatigue behavior of bainite/martensite multiphase high strength ...
High cycle and very high cycle fatigue (HCF/VHCF) in a bainite/martensite (B/M) multiphase steel with varying inclusion size and microstructural features was studied using ultrasonic axial cycling ...
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Microstructure and properties of plastic deformed martensite induced by ...
Firstly, 45^# steel was quenched by the NEL-2500A rapidly axial flow CO2 laser. The experimental parameters were the laser power of 750W, the laser beam diameter of 4mm, the scanning velocity of 7mm/s. The thickness of coating layer was 0.1mm and the width was 8mm. Secondly, the martensite induced by laser quench was shocked by Nd:YAG laser. The parameters of laser shock processing were the ...
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Dual-phase steel
This results in a microstructure consisting of a soft ferrite matrix containing islands of martensite as the secondary phase (martensite increases the For achieving these microstructures, DP steels typically contain 0.06–0.15 wt.% C and 1.5-3% Mn (the former strengthens the martensite, and the latter wikipedia.org
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阿道夫·马滕斯
参见 麻田散铁（或称马氏体，Martensite） 参考文献 外部连结 德国工程师 梅克伦堡-前波美拉尼亚人 德勒斯登工业大学校友 普鲁士科学院院士 德国冶金学家 wikipedia.org
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R-Phase
In connection with nitinol, "martensite" normally refers to the B19' monoclinic martensite phase, rather than the R-phase. The R-phase competes with martensite, is often completely absent, and often appears during cooling before martensite, then giving way to it upon further wikipedia.org
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Helen E. Grenga
Monocrystalline Nickel Thin Films Grown by Vapor Deposition (1971) Active Sites for Heterogeneous Catalysis (1972) Field-ion microscopy of ferrous martensite (1973) Field-ion microscopy of tempered martensite (1974) Auger analysis of surface films on Ag3Sn. (1975) Surface energy anisotropy of iridium (1975 wikipedia.org
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Nickel titanium
There are four transition temperatures associated to the austenite-to-martensite and martensite-to-austenite transformations. Starting from full austenite, martensite begins to form as the alloy is cooled to the so-called martensite start temperature, or Ms, and the temperature wikipedia.org
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