Results 11 to 20 of about 2,321,244 (303)

COMPARATIVE ANALYSIS OF COMPLEX MECHANICAL PROPERTIES OBTAINED IN TESTS ON FINISHED BOLTS AND TURNED SAMPLES

open access: yesNauka ta progres transportu, 2015
Purpose. The purpose of the work is provided by the system experimental study of the effect of strengthening the level of the ratio of complex mechanical properties of the finished bolts and peeled samples and analysis of the data on the basis of ...
Y. P. Gul   +3 more
doaj   +1 more source

Effect of post weld heat treatment on weld metal microstructure and hardness of HFCA-TIG welded ASTM-B670 high temperature alloy joints

open access: yesJournal of Alloys and Metallurgical Systems, 2023
In this investigation, the effect of post weld heat treatment (PWHT) conditions on weld metal (WM) microstructure and hardness of ASTM B670 alloy joints are studied for gas turbine engine applications.
Tushar Sonar   +7 more
doaj   +1 more source

Effect of welding parameters on microstructure and tensile properties of CA-TIG welded AMS-5596 grade thin high temperature alloy sheets for gas turbine engine applications

open access: yesAdvances in Industrial and Manufacturing Engineering, 2021
This paper presents the influence of Constricted Arc TIG (CA-TIG) welding parameters specifically Main Current (MC), Arc Constriction Current (ACC), ACC Frequency (ACCF) and Constricted Arc Traverse Speed (CATS) on weld bead, microstructure and tensile ...
Tushar Sonar   +4 more
doaj   +1 more source

Effect of heat treatment on mechanical dissipation in Ta$_2$O$_5$ coatings [PDF]

open access: yes, 2002
Thermal noise arising from mechanical dissipation in dielectric reflective coatings is expected to critically limit the sensitivity of precision measurement systems such as high-resolution optical spectroscopy, optical frequency standards and future ...
Martin, I W   +16 more
core   +3 more sources

Influence of magnetically constricted arc traverse speed (MCATS) on tensile properties and microstructural characteristics of welded Inconel 718 alloy sheets

open access: yesDefence Technology, 2021
The magnetically constricted arc technique was implemented to mitigate the heat input related metallurgical problems in Gas Tungsten Arc Welding (GTAW) of Inconel 718 alloy particularly Nb segregation and subsequent laves phase evolution in fusion zone ...
Tushar Sonar   +4 more
doaj   +1 more source

Microstructure and mechanical properties of as-built and heat-treated electron beam melted Ti–6Al–4V [PDF]

open access: yes, 2019
This paper investigates the effect of post-deposition heat treatment on porosity, microstructure, and mechanical properties of Ti–6Al–4V produced via an Electron Beam Melting process. Samples were studied in the conditions of as-built and heat treated at
Abdul Khadar Syed   +4 more
core   +1 more source

Multi-objective mathematical modeling and optimization of delta straight InterPulse-GTCAW parameters to predict and maximize performance of high temperature aerospace alloy sheets for structural applications

open access: yesForces in Mechanics, 2022
Superalloy 718 is a high temperature nickel (Ni) based alloy, widely used in aeroengines due to its superior mechanical performance at high temperature.
Tushar Sonar   +5 more
doaj   +1 more source

Effect of high temperature heat treatments on the quality factor of a large-grain superconducting radio-frequency niobium cavity [PDF]

open access: yes, 2013
Large-grain Nb has become a viable alternative to fine-grain Nb for the fabrication of superconducting radio-frequency cavities. In this contribution we report the results from a heat treatment study of a large-grain 1.5 GHz single-cell cavity made of ...
Ciovati, G.   +12 more
core   +4 more sources

Optimization of Carburizing Temperature and Time on Mechanical Properties of Hardening the Big Knives in Pack Carburizing Process by Using Cow Bone as an Energizer [PDF]

open access: yesWarasan Witthayasat Lae Theknoloyi Mahawitthayalai Mahasarakham, 2020
The objective this research is to study the optimization of the factors between carburizing temperature and time that effect the mechanical properties of the hardened big knives in pack carburizing process.
Sombut Noyming
doaj  

Effects of LB/M Duplex Phase Heat Treatment on Microstructure and Mechanical Properties of Cold Working Die Steel DC53 [PDF]

open access: yesTeshugang
The effects of Quenching-Tempering-Austempering (QTA) duplex phase heat treatment process (Q 1 030 ℃, 30 min; T 520 ℃, 2 h; A 250 ℃, 3 h) at different prequenching temperatures on the microstructure, mechanical properties and the friction and wear ...
Yuan Zhizhong, Chen Lu, Zhang Bocheng, Liu Haiming, Niu Zongran , Wang Zhiyuan, Ju Yulin, Cheng Xiaonong
doaj   +1 more source

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