搜索结果: 16-30 共查到“材料科学基础学科 Steel”相关记录52条 . 查询时间(0.027 秒)
Microstructural evolution in a duplex cast steel after quench ageing process
Casting Heat treatment Quench ageing
2009/12/1
Purpose: The effectiveness and usefulness of the quench ageing on the service properties of massive duplex cast
steel was presented in this work. The mechanism of precipitation of a ε-Cu phase and i...
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...
Mechanical and tribological properties of the surface layer of the hot work tool steel obtained by laser alloying
Surface treatment Laser alloying and remelting Hot work alloy tool steel
2009/12/1
Purpose: The paper presents results on the mechanical and tribological properties examinations of the X40CRMoV5-
1 hot work alloy tool steel alloyed with carbide powders using the high power diode la...
Influence of the heat treatment on the mechanical properties and structure of TWIP steel in wires
Metallic alloys Drawing process Austenitic steel
2009/12/1
Purpose: The aim of this paper is to determine influence of the drawing process of TWIP steel wires on their
mechanical properties and the structure changes.
Design/methodology/approach: The heat t...
The influence of hot-working processing on plasticity and structure of duplex steel
Superplastic materials Plastic forming Microstructure
2009/12/1
Purpose: There are numerous branches of industry where the (α+γ) duplex steels have not yet been sufficiently
popularised due to problems with their forming, resulting from different properties of t...
DLC coatings on martensitic steel used for surgical instruments
Corrosion Mechanical properties Wear resistance
2009/12/1
Purpose: The main aim of the work was evaluation of corrosion resistance, mechanical properties and topography
of DLC coating formed by means of RF PACVD and magnetron method on the X39Cr13 martens...
Effect of structure on mechanical properties of Cr-Ni-Mo cast steel
Tool materials Cast steel Hypereutectoid cementite Heat treatment Mechanical properties
2009/12/1
Purpose: The paper presents evaluation of the influence of refinement as a result of repeated austenitizing,
cooling rate after repeated austenitizing on the morphology of hypereutectoid cementite an...
The kinetics of phase transformations during tempering of low alloy medium carbon steel
Tool materials Tempering CHT - diagram Retained austenite
2009/12/1
Design/methodology/approach: CHT diagram, illustrating the kinetics of phase transformations during
continuous heating (tempering) from as-quenched state of investigated steel, was elaborated using a...
Mechanical properties and corrosion resistance of dissimilar stainless steel welds
Crack resistance Welded joints Corrosion Duplex stainless steel
2009/12/1
Purpose: The purpose of this paper is to determine the influence of welding on microstructure, mechanical
properties, and stress corrosion cracking resistance of dissimilar stainless steels butt weld...
Possibility of determining steel grain size using ultrasonic waves
steel microstructure ultrasonic wave
2009/10/23
Properties of steel depend also on its internal structure. In practice, one can distinguish between primary structure (obtained during solidification) and secondary structure (being a result of the γ ...
Fracture mechanics parameters estimation of CCT specimens made of X 5 CrNi 18 10 steel
ductile stainless steel fracture mechanics parameters CCT specimen
2009/10/23
This study investigates fracture behaviour of specimens made of high ductile stainless steel. Investigated material was X 5 CrNi 18 10 steel and the specimens used in this investigation were prepared ...
Phase transformations in low-carbon manganese steel 6Mn16
low-carbon manganese steel phase transformation CCT diagram
2009/10/23
The kinetics of phase transformations of the austenite of 6Mn16 steel during continuous cooling are presented in a CCT diagram. Manganese partitioning between ferrite and austenite during intercritica...
THE EFFECT OF LEAD ON THE HOT WORKABILITY OF AUSTENITIC STAINLESS STEEL WITH A SOLIDIFICATION STRUCTURE
austenitic stainless steel hot workability impurities
2009/10/23
The impurities sulphur, phosphorus, lead, bismuth, tin and antimony affect the hot workability of stainless steels.
In this study we show that lead segregate to phase and solidification-grain boundar...
CENTRELINE FORMATION OF Nb(C, N) EUTECTIC IN STRUCTURAL STEEL
structural steel heavy plates through thickness reduction of area
2009/10/23
The reduction of area in the through thickness direction is an essential mechanical property of thick steel heavy
plates. By a routine control, a very small through thickness reduction of area was fo...
HOT FORMING RECRYSTALLIZATION KINETICS IN STEEL
recrystallization kinetics steel hot forming
2009/10/23
The theory of kinetics of static recrystallization of steel during hot forming links the phenomenon to certain critical
strain, grain size, strain rate, activation energy and temperature. The basic d...