Results 271 to 280 of about 28,747 (312)
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1996
Abstract Austenitization is the heat treatment of steel in the austenite region, and it is conducted for two reasons. One is to obtain austenite as a necessary precursor for heat treatment, and this is the main emphasis of this chapter.
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Abstract Austenitization is the heat treatment of steel in the austenite region, and it is conducted for two reasons. One is to obtain austenite as a necessary precursor for heat treatment, and this is the main emphasis of this chapter.
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2015
Austenite is the key to the versatility of steel and the controllable nature of its properties. It is the parent phase of pearlite, martensite, bainite, and ferrite. This chapter discusses the importance of austenite, beginning with the influence of austenitic grain size and how to accurately measure it.
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Austenite is the key to the versatility of steel and the controllable nature of its properties. It is the parent phase of pearlite, martensite, bainite, and ferrite. This chapter discusses the importance of austenite, beginning with the influence of austenitic grain size and how to accurately measure it.
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Ferritic-austenitic solidification mode in austenitic stainless steel welds
Metallurgical Transactions A, 1980The macro-and microstructures of about fifty different stainless welds of the AISI/ AWS 300 series are analyzed. The results indicate that under conditions corresponding to a typical shielded metal arc (SMA) welding the welds with a ratio in the range 1.48≾Cr eq /Ni eq ≾1.95, where Ni
N. Suutala, T. Takalo, T. Moisio
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1999
Abstract This chapter discusses the isothermal transformation of austenite to pearlite, bainite, martensite, proeutectoid ferrite, and proeutectoid cementite. It describes the transformation mechanisms in eutectoid, hypoeutectoid, and hypereutectoid steels, the factors that influence nucleation and growth, and the characteristic features
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Abstract This chapter discusses the isothermal transformation of austenite to pearlite, bainite, martensite, proeutectoid ferrite, and proeutectoid cementite. It describes the transformation mechanisms in eutectoid, hypoeutectoid, and hypereutectoid steels, the factors that influence nucleation and growth, and the characteristic features
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Effect of Austenite Stability on Pack Aluminizing of Austenitic Stainless Steels
JOM, 2014Aluminide coatings were applied to the surfaces of several austenitic stainless steels—UNS S30300, S30400, S30900, S31000, and S31600 (Type 303, 304, 309, 310, and 316)—by the halide activated pack cementation process. The coating compositions, microstructures, and hardness were determined for the different steels coated at 850°C for 25 h.
Christopher Lopez +6 more
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Effect of hydrogen on austenite to martensite transformation in an austenitic stainless steel
Journal of Materials Science Letters, 1987Effet de l'hydrogene sur la temperature de transformation. Le chargement en hydrogene se fait selon une nouvelle procedure a basse pression, de telle facon que la microstructure ne soit pas affectee durant l'introduction du gaz. On montre que l'hydrogene n'a aucun effet significatif sur la temperature de transformation M S et sur la quantite de ...
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1999
Abstract This chapter addresses the issue of retained austenite in quenched carburized steels. It explains why retained austenite can be expected at the surface of case-hardened components, how to estimate the amount that will be present, and how to effectively stabilize or otherwise control it. It presents detailed images and data plots
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Abstract This chapter addresses the issue of retained austenite in quenched carburized steels. It explains why retained austenite can be expected at the surface of case-hardened components, how to estimate the amount that will be present, and how to effectively stabilize or otherwise control it. It presents detailed images and data plots
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The structure of welded austenitic and non-austenitic steel joints
2016The welding of austenitic and non-austenitic steels is recommended to carry out at the conditions giving minimal fusion of the base material and using austenitic electrodes. However the structural inhomogenity is observed in the fusion zone due to incomplete stirring in a weld pool and also due to the removal of carbon from the carbon steel to the ...
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The decomposition of austenite
2004The final microstructures of steels, and consequently their service properties, are determined principally by solid state transformations. The present chapter discusses the essential features of the mechanisms involved.
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Cu-assisted austenite reversion and enhanced TRIP effect in maraging stainless steels
Journal of Materials Science and Technology, 2022Mengchao Niu +2 more
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