Results 41 to 50 of about 251,961 (205)

The effect of boriding on wear resistance of cold work tool steel

open access: yesJournal of Physics: Conference Series, 2017
Recently, boriding has attracted extensive attention as surface stiffening processing of plain steel. In this research, the influence of processing time on the formation layer of cold work tool steel (KD11MAX) by Al added fused salt bath was examined.
Y Anzawa, S Koyama, I Shohji
openaire   +1 more source

Effect of high-pressure rolling followed by laser processing on mechanical properties, microstructure and residual stress distribution in multi-pass welds of 304L stainless steel [PDF]

open access: yes, 2016
Multi-pass fusion welding by a filler material (wire) is normally carried out to join thick steel sections used in most engineering applications. Multiple thermal cycles from a multi-pass weld resulted in a variable distribution of residual stress field ...
Ganguly, Supriyo   +3 more
core   +2 more sources

Austenitizing Time of Tool Steels for Cold Work

open access: yesDENKI-SEIKO[ELECTRIC FURNACE STEEL], 1974
A study has been performed to clarify the effects of austenitizing time on hardness and toughness (bending strength) for cold work tool steels. A contour map of hardness and toughness was proposed in this paper and the following questions can be answered on this map:1) How to accomplish harmony of hardness and toughness?2) Which is better high ...
openaire   +2 more sources

Prognostics, Health Assessment, and Modelling of Material Removal Rate by EDM for Al 6061 and AISI 304 via Cockroach Swarm and Fruit Fly Optimization Approaches

open access: yesAdvances in Materials Science and Engineering, 2022
Micro-electric discharge machining (Micro-EDM) is deployed for machining hard-to-machine materials, such as various grades of titanium alloys, heat-treated alloy steels, composites, tungsten carbides, and so forth.
Senthil Kumaran Selvaraj   +4 more
doaj   +1 more source

Tahap kesediaan pelajar menghadapi dunia pekerjaan dalam bidang perakaunan : kajian ke atas pelajar semester akhir Diploma Perakaunan di 5 buah politeknik [PDF]

open access: yes, 2002
Objektif kajian kes ini adalah untuk mengenalpasti tahap kesediaan pelajar dalam usaha memasuki dunia pekeijaan, Borang soal selidik ini telah diedarkan kepada 169 orang pelajar semester akhir Diploma Perakaunan.
Mohd Kassim, Norlaili
core  

Softening Behavior of a Cold Work Tool Steel and High‐Boron Tool Steel Fabricated by Directed Energy Deposition

open access: yessteel research international, 2023
Prolonging the life of hot stamping dies in the automotive industry is challenging. Surface modification is an effective way to improve the durability of the dies. In this study, two tool steel grades, one cold work tool steel (V4E) and one high‐boron tool steel (HBS), are deposited on a tool steel substrate using directed energy deposition, followed ...
Miwen Yuan   +6 more
openaire   +1 more source

Thermomechanical Behavior of the HL-LHC 11 Tesla Nb3Sn Magnet Coil Constituents during Reaction Heat Treatment

open access: yes, 2017
The knowledge of the temperature induced changes of the superconductor volume, and of the thermo-mechanical behaviour of the different coil and tooling materials is required for predicting the coil geometry and the stress distribution in the coil after ...
Finn, M.   +5 more
core   +1 more source

EXAMINATION OF THE PROPERTIES AND STRUCTURE OF TOOL STEEL EN 1.2379 DUE TO DIFFERENT HEAT TREATMENTS [PDF]

open access: yesEuropean Journal of Materials Science and Engineering, 2018
The hardness, microstructure and wear behavior of EN 1.2379 cold work tool steel were investigated in different heat treatment condition. In metal forming industry tools can be exposed to very complex and surface demanding conditions, which are the ...
László TÓTH
doaj  

Tool surface with a supporting plateau of hard particles for deep drawing of high alloy steel

open access: yesMATEC Web of Conferences, 2018
Sheet metal forming normally requires the application of lubricants to protect the tool and the sheet against wear. The parts must be cleaned to remove the lubricants before joining and coating. This process step wastes energy and water resources. In the
Freiße Hannes, Seefeld Thomas
doaj   +1 more source

Directed energy deposition of chromium-molybdenum-vanadium cold work tool steel Vanadis 4 Extra©

open access: yesJournal of Materials Research and Technology
Additive Manufacturing is a promising technology for the fabrication or repair of tools. However, the material portfolio is limited to materials with a decent weldability.
Dominic Bartels   +7 more
doaj   +1 more source

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