Results 21 to 30 of about 99,684 (313)

Research of bimetallic cutting tools and development of production technology [PDF]

open access: yesE3S Web of Conferences, 2023
This article presents studies related to the development of the technology of obtaining bimetallic plates for obtaining external grooves by the model gas-spinning casting method.
Norkhudjayev Fayzulla   +3 more
doaj   +1 more source

Effect of Deep Cryogenic Treatment on Wear Behavior of Cold Work Tool Steel

open access: yesMetals, 2023
Shock resisting cold work tool steel is one of the most applicable steels for several applications such as cutting sheets, chisels, hammers, etc. It has been categorized according to its characteristic properties into different categories as hot and cold
Mahmoud A. Essam   +4 more
doaj   +1 more source

Notch aspects of RSP steel microstructure

open access: yesActa Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2012
For a rather long time, basic research projects have been focused on examinations of mechanical properties for Rapid Solidification Powder (RSP) steels. These state-of-art steels are commonly known as “powdered steels“.
Michal Černý   +3 more
doaj   +1 more source

Investigation of crack propagation in X38CrMoV5 (AISI H11) tool steel at elevated temperatures [PDF]

open access: yes, 2010
A method is developed to evaluate the surface fatigue damage of hot forming tools (forging, HPDC) that undergo thermo mechanical loading and environmental attack.
Rezaï-Aria, Farhad   +2 more
core   +1 more source

Thermal Stability of Nanocrystalline Structure In X37CrMoV5-l Steel

open access: yesArchives of Metallurgy and Materials, 2015
The aim of the study was to investigate the thermal stability of the nanostructure produced in X37CrMoV5-1 tool steel by austempering heat treatment consisted of austenitization and isothermal quenching at the range of the bainitic transformation.
Skołek E.   +2 more
doaj   +1 more source

Investigation of tire crushing knife restoration technology

open access: yesMokslas: Lietuvos Ateitis, 2021
The paper investigates the quality of a steel welded joint of a tire shredding knife. Defects occurring during restoration are analyzed. In order to determine the mechanical properties of the welded joint, the following tests and tests were carried out ...
Ramūnas Razgus   +2 more
doaj   +1 more source

OPTIMIZATION OF TEMPERATURE HARDENING FOR IMPROVING THE HEAT RESISTANCE OF TOOL STEEL 4X5MФ1С IN VARIOUS WORKPIECES Part 1. INFLUENCE OF HEATING TEMPERATURE 1040 °С IN THE OIL HARDENING AND HARDERING ON THE HARDNESS AND STRUCTURE OF FORGINGS AND CASTINGS MADE OF STEEL 4X5MФ1C

open access: yesЛитьë и металлургия, 2017
Influence of the oil quenching temperature with the heating 1040 °С near 1 hour of tool steel 4X5МФ1С forgings and castings on the microstructure and the ability to hardening after high temperature tempering at 500–650 °C for 1, 5 hours.
V. N. Fedulov
doaj   +1 more source

OPTIMIZATION OF TEMPERATURE HARDENING FOR IMPROVING THE HEAT RESISTANCE OF TOOL STEEL 4Х5MФ1С IN VARIOUS WORKPIECES. PART 2. THE CHOICE OF THE MODE OF HARDENING STEEL 4Х5MФ1С TO INCREASE THE HARDNESS AND HEAT RESISTANCE AFTER TEMPERING

open access: yesЛитьë и металлургия, 2017
A new mode of heat treatment, including oil quenching from temperature 1150 °C with tempering at 500–650 °С for 1,5 hours was developed. The effect of increasing the level of hardening and the heat resistance is determined by more complete dissolution of
V. N. Fedulov
doaj   +1 more source

Effects Of Thermal Exchange On Material Flow During Steel Thixoextrusion Process [PDF]

open access: yes, 2010
Semi-solid processing is an innovative technology for near net-shape production of components, where the metallic alloys are processed in the semi-solid state.
GU, Guochao   +4 more
core   +1 more source

Application of X-ray Microtomography to Quantify the Liquid Fraction of M2 Steel for Semi-solid Forming process [PDF]

open access: yes, 2013
Thixoforging, one variant of semi-solid metal processing in which the metallic alloys are processed at low liquid fraction (0.1< Fl < 0.3), is used to produce complex parts with high mechanical properties.
GU, Guochao   +4 more
core   +1 more source

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