Results 81 to 90 of about 622 (185)
Flow curve determination by torsion tests using inverse modelling [PDF]
L'obiettivo di questa tesi è stata La determinazione delle curve di flusso da prove di torsione mediante analisi inverse. Tramite una ricerca in letteratura sono stati trovati vari modelli e vari approcci di modellizzazione.
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Resilienza alle basse temperature di diversi acciai cementati e temprati [PDF]
, 2014 In letteratura tecnica sono state numerose le pubblicazioni relative al comportamento degli acciai dacementazione alle sollecitazioni per urto, soprattutto con riferimento agli ingranaggi sottoposti a “impactfatigue”, a temperatura ambiente (1-2-3-4-5-6)
Bavaro, A., Bergonzi, I., Vailati, A.
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Jixie chuandong, 2023 ObjectiveTo address the issues of uneven residual compressive stress distribution and high surface roughness in gears after shot peening, this study investigates the effect of double shot peening on the surface integrity of 18CrNiMo7-6 carburized gear steel.MethodsA shot peening model with random shot distribution was established using Abaqus software.
Wang Zhen, Sun Hao, Wang Guohao
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Jäännösausteniitin määritys optisella mikroskopialla [PDF]
Korkean lujuuden terästen lämpökäsittelyistä tärkeimpiä ovat karkaisuprosessit. Täten tuo-tannossa myös karkaisuprosessien kontrollointi ja laatuseuranta ovat tärkeitä vaiheita.
Hautakangas, Nuuti
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Design of a pylon for the acceleration test stand [PDF]
, 2020 Cílem diplomové práce je navržení koncepční konstrukce pylonu akceleračního testovacího stanoviště pro zkoušky bezpečnostních prvků auta. Nejprve bude vysvětlena funkce celého testovacího standu, poté bude navrženo několik koncepčních konstrukcí pylonu ...
Jakub Petrás
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Calibration of emissivity value of 18CrNiMo7-6 steel and study on cylindrical grinding temperature
Jin'gangshi yu moliao moju gongchengTo study the variation rule of workpiece temperature concerning machining parameters in the cylindrical transverse grinding process of gear steel, 18CrNiMo7-6 gear steel was selected as the workpiece material, and a CBN grinding wheel was used as the ...
Dong WANG +4 more
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HEAT AFFECTED ZONE MICROSTRUCTURE OF WELD JOINT PREPARATION IN ARTIFICIAL MANNER [PDF]
, 2019 This paper presents two possibilities of martensitic (fine grain and coarse grain) microstructure preparation. These microstructures are present as sub-zones in the heat-affected zone of welded joints, but due to the narrow region of HAZ in a real weld ...
Gjelaj, Afrim +3 more
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Jixie qiangduTo address the issue of characterizing static and dynamic mechanical behaviors of the surface-modified layer (SML) in 18CrNiMo7-6 alloy steel, a layered inversion method for the Johnson-Cook (J-C) constitutive model of SML was proposed.
XU Guangtao +4 more
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Effect of Mould and Hot Top Design on Yield of 6 t Octagonal Ingot of Special Steels
Teshugang, 2014 Based on the original 5 t (real 5. 15 t) octagonal ingot mould, with increasing the height of mould from original 1505 mm to 1840 mm, decreasing the taper in the mold walls from 4. 56% to 3.
沙卫星 +5 more
doaj
Jixie chuandong, 2021 In view of the service characteristics of driving devices such as construction machinery， aerospace， rail transit and electric vehicle in the variable speed and variable torsion， the damage mechanism of thermal-scuffing failure for gear transmission is ...
Jiqiang Li +5 more
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