搜索结果: 1-15 共查到“工学 Austenite”相关记录16条 . 查询时间(0.062 秒)
Morphological features of retained austenite in thermo-mechanically processed C-Mn-Si-Al-Nb-Ti multiphase steel
Morphological austenite C-Mn-Si-Al-Nb-Ti multiphase steel
2010/8/12
Development of multiphase steels is one of the biggest achievements of contemporary metallurgy in the field of advanced materials for motorization. They are C-Mn-Si, C-Mn-Si-Al, C-Mn-Al-type low-alloy...
Effect of isothermal bainitic transformation temperature on retained austenite fraction in C-Mn-Si-Al-Nb-Ti TRIP-type steel
Metallic alloys TRIP steel Thermo-mechanical processing
2009/12/14
Purpose: The aim of the paper is to determine the influence of isothermal bainitic transformation temperature on a fraction of retained austenite for a new-developed C-Mn-Si-Al-Nb-Ti TRIP-type steel.
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Diagrams of supercooled austenite transformations of low-carbon and medium-carbon TRIP-steels
Metallic alloys TRIP-steel CCT-diagram Supercooled austenite
2009/12/2
Purpose: The aim of the paper is to determine the influence of cooling conditions on a structure and a shape of
CCT-diagrams of TRIP-aided steels.
Design/methodology/approach: The diagrams of unde...
Effect of retained austenite on the fracture toughness of tempered tool steel
Tool materials Fracture toughness Retained austenite
2009/12/2
Purpose: This paper is an attempt of reviewing the outlooks about the favourable influence of retained austenite
on fracture toughness of tool steels according to results of investigation concerning ...
The Mössbauer spectroscopy studies of retained austenite
Mö ssbauer spectroscopy CEMS Steel Retained austenite
2009/12/1
Purpose: of this paper: This paper completes the knowledge concerning the mechanisms of destabilization and
properties of retained austenite. Investigations were performed on 120MnCrMoV8-6-4-2 stee...
The model of prediction of the microstructure austenite C-Mn steel
Numerical techniques Microstructure Modelling of microstructure
2009/12/1
Purpose: The subject of the work is analysis of author’s model for prediction of austenite microstructure of C-Mn
steel based on Sellar’s solution.
Design/methodology/approach: The present study ado...
Austenite formation during intercritical annealing
Heat treatment Soft and intercritical annealing Mn partitioning
2010/2/4
Purpose: of this paper is the effect of the soft annealing of initial microstructure of the 6Mn16 steel on the kinetics of the austenite formation during next intercritical annealing.
Design/methodol...
Retained austenite in the cracking process of 70MnCrMoV9-2-4-2 tempered steel
Tool materials Fracture toughness Retained austenite
2010/2/4
Purpose: The aim of this study was a review of opinions molded within last 35 years on a part of steel cracking process played by retained austenite.Design/methodology/approach: Dependencies between v...
Phase formation in selected surface-roughened plasma-nitrided 304 austenite stainless steel
plasma nitriding AISI 304 steel phase analysis hardnes
2010/10/12
Direct current (DC) glow discharge plasma nitriding was carried out on three selected
surface-roughened AISI 304 stainless steel samples at 833K under 4 mbar pressures for 24 h
in the presence of N2...
Austenite steel transformations under the influence of fatigue loading
Mechanical properties Fatigue Non-proportional loading Martensite Hardness
2011/3/15
Behavior of materials and structures in fatigue non-proportional loading conditions, characterized by the principal axes rotation during fatigue cycles, is an important issue because of its impact on ...
Phase transformations of under-cooled austenite of new bainitic materials for scissors crossovers
Innovative foundry technologies and materials Scissors crossovers CCT diagrams
2011/3/15
The paper contains CCT diagrams presenting a transformation kinetics of under-cooled austenite from two new bainitic cast steels which the scissors crossovers for heavy-duty railway tracks (min. 230kN...
Kinetics of the austenite formation during intercritical annealing
Heat treatment Soft and intercritical annealing Mn partitioning
2010/2/8
Purpose: of this paper is the effect of the microstructure of the 6Mn16 steel after soft annealing on the kinetics of the austenite formation during next intercritical annealing.
Design/methodology/a...
Austenite stability in the high strength metastable stainless steels
Heat treatment Metastable austenite Martensitic stainless steels Cold working
2010/2/22
Purpose: The aim of the present paper was to study the peculiarities of the austenite to martensite phase transformation (A-M), which is an essential step in the production technology of the high stre...
Effect of hot-working in the γ+α range on a retained austenite fraction in TRIP-aided steel
Metallic alloys TRIP-aided steel Thermomechanical processing Retained austenite
2010/2/22
Purpose: The aim of the paper is to determine the influence of thermomechanical processing conditions on an austenite stability in a TRIP-aided microalloyed steel.
Design/methodology/approach: The he...
The Influence of Saturation of Cast Iron Austenite with Carbon on the Ausferrite Transformation
austenitizing austempered austenite hardness impact strength
2011/3/11
Austenitizing during quench hardening of the ductile cast iron influences the content of carbon in austenite depending on the soaking heat. On the other hand, the saturation of austenite impacts its t...