Results 11 to 20 of about 807,470 (283)

Twinned dendrites growth in wire arc directed energy deposition of Al-Zn-Mg-Cu alloy

open access: yesMaterials & Design, 2023
Twinned dendrites have attracted worldwide attention in the past half century due to their unusual orientation and crystallographic symmetry. Successive research has established a basic understanding of them in relatively steady processes like direct ...
Bolun Dong   +5 more
doaj   +1 more source

Finite Element Analysis on Experimental Stretch Forming Process of AA2014 Alloy at 423 to 623K Temperatures [PDF]

open access: yesE3S Web of Conferences, 2023
Sheet metal forming processes are extremely important in the production of many different items. However, the issue of plastic instability, which frequently results in damaged goods, still exists in this industry. To solve this problem during production,
Lade Jayahari   +6 more
doaj   +1 more source

Analysis of the Forming Process of Energy-Absorbing Elements made from 7000 Series High-Strength Aluminum Alloy [PDF]

open access: yesArchives of Metallurgy and Materials, 2020
The paper covers the research on the process of solutionizing of 7075 aluminum alloy in cold tools during the stamping of a high-strength structural element (B-pillar’s base).
K. Jaśkiewicz   +6 more
doaj   +1 more source

The Microstructure Evolution and Mass Transfer in Mushy Zone during High-Pressure Solidifying Hypoeutectic Al-Ni Alloy

open access: yesApplied Sciences, 2020
The mushy zone of hypoeutectic Al-1.5 wt% Ni alloy during high-pressure synthesis was obtained by changing the structure of the graphite heater. Meanwhile, the evolution of the microstructure was investigated.
Xiaohong Wang   +4 more
doaj   +1 more source

New Multiphase CP and DP 1000 MPa strength level grades for improved performance after hot forming [PDF]

open access: yes, 2019
Pure martensitic steels have after hot forming limited performance in terms of rest ductility which limits the application in crash relevant parts. New steel grades were designed in the EU project HOTFORM including the corresponding process routes. These
Aranguren, Iñigo   +6 more
core   +1 more source

Effect of Original Layer Thicknesses on the Interface Bonding and Mechanical Properties of Ti-Al Laminate Composites [PDF]

open access: yes, 2016
It is of great significance in high-temperature aeroengine applications for large-surface-area TiAl laminate composites to be fabricated into Ti-Al3Ti parts by plastic forming and subsequent vacuum hot pressing.
Ali   +21 more
core   +2 more sources

Process Development for a Superplastic Hot Tube Gas Forming Process of Titanium (Ti-3Al-2.5V) Hollow Profiles

open access: yesMetals, 2020
Tube forming technologies based on internal forming pressures, such as hydroforming or hot tube gas forming, are state of the art to manufacture complex closed profile geometries.
Ricardo Trân   +3 more
doaj   +1 more source

Development of numerical tool for hybrid manufacturing process for titanium sheet metal forming [PDF]

open access: yesMATEC Web of Conferences, 2020
The use of titanium in the aerospace industry has grown considerably in recent years in conjunction with the development of composite aircraft. In this way, improving titanium forming has become an important issue for the industry, both for productivity ...
ACHOURI Mohamed
doaj   +1 more source

Towards Damage Controlled Hot Forming [PDF]

open access: yesApplied Mechanics and Materials, 2018
Metal forming processes may induce internal damage in the form of voids in the workpiece under unfavorable deformation conditions. Controlling the amount of damage induced by metal forming operations may increase service performance of the produced parts. Damage is crucial in high-performance components of limited workability such as jet engine turbine
Markus Bambach   +2 more
openaire   +1 more source

Submillimeter spectroscopy of southern hot cores: NGC6334(I) and G327.3-0.6 [PDF]

open access: yes, 2006
High-mass star-forming regions are known to have a rich molecular spectrum from many species. Some of the very highly excited lines are emitted from very hot and dense gas close to the central object(s).
Bachiller   +28 more
core   +3 more sources

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