Results 1 to 10 of about 9,387 (213)

Dilatometry of Steel for the Production of 5.56 mm Calibre Rifle Barrels [PDF]

open access: yesProblemy Mechatroniki, 2021
During high rates of fire, the bore of the firearm barrel is exposed to high temperatures. This exposure induces structural changes in the barrel material, which is especially significant for the substrate of the galvanic chrome plating.
Andrzej DĘBSKI   +2 more
doaj   +1 more source

Investigations of the Usefulness of Dilatometric Methods in the Diagnostics of Combustion Engines

open access: yesEnergies, 2021
Due to rapidly progressing development in the field of materials used in the automotive industry, research methods enabling the validation of the properties of materials used in specific applications, e.g., engines, are gaining importance.
Marek Idzior, Wojciech Karpiuk
doaj   +1 more source

Investigating the effect of CaO/MgO ratio on the structure and final properties of wall tile bodies in rapid firing using the primary sources of Borujerd talc and Abbas Abad calcium carbonate as primary sources [PDF]

open access: yesمواد نوین, 2023
Introduction:In this research, the effect of CaO/MgO ratio, as the main oxides that activate the reactions during wall tile firing, was studied on the path of transformations and the formation of useful phases such as Anorthite, Diopside, and ...
Gholamreza Khalaj   +2 more
doaj   +1 more source

Mechanisms of the Reverse Martensite-to-Austenite Transformation in a Metastable Austenitic Stainless Steel

open access: yesMetals, 2021
The martensite-to-austenite reversion mechanisms under continuous heating and annealing of metastable austenitic stainless steel subjected to cold swaging were studied.
Dmitrii Panov   +7 more
doaj   +1 more source

On the Microstructure Development under Cyclic Temperature Conditions during WAAM of Microalloyed Steels

open access: yesMetals, 2022
This paper shed light on the kinetics of transformation and the developed microstructure during wire arc additive manufacturing (WAAM). Three microalloyed alloys, two of them are high strength low alloyed steel (HSLA) grades and the third is a Ni-Cr-Mo ...
Chang Huang   +4 more
doaj   +1 more source

Continuous cooling transformation diagrams of HSLA steel for seamless tubes production [PDF]

open access: yesJournal of Mining and Metallurgy. Section B: Metallurgy, 2019
The CCT and two DCCT diagrams were constructed for the HSLA steel containing Cr, V, Nb, and N microadditions, taking into account industrial processing parameters of this material in a seamless tubes rolling mill.
Schindler I.   +7 more
doaj   +1 more source

Microstructure and phase composition of steatite ceramics sintered by traditional and spark plasma sintering [PDF]

open access: yesScience of Sintering, 2018
The influence of the sintering method on the mineral phase transformations and development of the crystalline microstructure of steatite ceramics was investigated.
Terzić Anja   +5 more
doaj   +1 more source

Transport Properties of Equiatomic CoCrFeNi High-Entropy Alloy with a Single-Phase Face-Centered Cubic Structure

open access: yesCrystals, 2023
The key thermophysical properties necessary for the successful design and use of CoCrFeNi alloy in thermophysical applications have been measured experimentally, and the results have been compared with literature values and results previously obtained ...
Victor A. Bykov   +5 more
doaj   +1 more source

Thermal and mechanical behavior of composite mortars containing natural sorptive clays and fly ash [PDF]

open access: yesScience of Sintering, 2019
Mineral additives are extensively applied as cement replacement materials in both construction concrete and mortar. Fly ash is one of the most commonly utilized additives which improve rheological properties, as well as thermal and mechanical ...
Terzić Anja   +6 more
doaj   +1 more source

Investigating the effect of CaO/MgO ratio on the structure and final properties of wall tile bodies in rapid firing using Zanjan talc and Abbas Abad calcium carbonate as primary sources [PDF]

open access: yesمواد نوین, 2022
Introduction: In this research, the simultaneous effect of CaO and MgO as the main oxides that activate the reactions during rapid firing of ceramic tiles on the path of transformations and the formation of the beneficial phase of Anorthite and the ...
Gholamreza Khalaj   +2 more
doaj   +1 more source

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