Results 11 to 20 of about 1,554 (222)

The Effect of Grain Size on the Diffusion Bonding Properties of SP700 Alloy

open access: yesMetals, 2022
Superplastic forming and diffusion bonding (SPF/DB) has been recognized as a viable manufacturing technology. However, the basic understanding of grain size and its effects on the quality of diffusion bonds is still limited. In this study, a certain type
Qianwen Zhang   +3 more
doaj   +1 more source

TRANSFORMATION OF STRUCTURE DURING FRICTION STIR WELDING [PDF]

open access: yesScientific Journal of Silesian University of Technology. Series Transport, 2021
In comparison with low carbon steels, there is increased interest in the use of aluminium-based alloys as materials for the manufacture of welded structures rolling stock of railway transport.
Igor Alex VAKULENKO   +4 more
doaj   +1 more source

Ultralow-temperature superplasticity and its novel mechanism in ultrafine-grained Al alloys

open access: yesMaterials Research Letters, 2021
The important benefits of ultrafine-grained (UFG) alloys for various applications stem from their enhanced superplastic properties. However, decreasing the temperature of superplasticity and providing superplastic forming at lower temperatures and higher
Nguyen Q. Chinh   +8 more
doaj   +1 more source

Effects of Variable Punch Speed and Blank Holder Force in Warm Superplastic Deep Drawing Process

open access: yesMetals, 2021
A cylindrical deep drawing test was conducted for the purpose of improving the drawability, product accuracy, and quality in warm deep drawing using a superplastic material with large strain rate dependence. Then, the effects of blank holding force (BHF)
Ken-ichi Manabe   +2 more
doaj   +1 more source

Optimization of Super Plastic forming process parameters of Al 6061 alloy reinforced with SiC nano composites by Taguchi method [PDF]

open access: yesEPJ Web of Conferences
This study investigates the optimization of superplastic forming in aluminum alloy 6061 reinforced with 100 nm silicon carbide (SiC) nanoparticles, fabricated by use of the ultrasonic cavitation technique.
Saravanakumar K.   +7 more
doaj   +1 more source

A short review on high strain rate superplasticity in magnesium-based composites materials

open access: yesInternational Journal of Lightweight Materials and Manufacture, 2023
Magnesium composites are next-generation lightweight materials for aerospace and military industries. However, the complex shape components of magnesium composites cannot be designed at ambient temperature, therefore, they need to be processed at ...
Abdul Malik, Yangwei Wang
doaj   +1 more source

The Effect of Material Properties on the Accuracy of Superplastic Tensile Test

open access: yesMetals, 2020
Tensile testing is widely used for the mechanical characterization of materials subjected to superplastic deformation. At the same time, it is known that the obtained flow data are affected by specimen geometry.
Sergey Aksenov, Vadim Mikolaenko
doaj   +1 more source

Joining of advanced materials by superplastic deformation [PDF]

open access: yes, 2023
A method for utilizing superplastic deformation with or without a novel joint compound that leads to the joining of advanced ceramic materials, intermetallics, and cermets.

core  

EVALUATION OF HIGHT PURITY ALUMINIUM AFTER ASYMMETRIC ROLLING AT AMBIENT AND CRYOGENIC TEMPERATURES

open access: yesActa Metallurgica Slovaca, 2017
Ultrafine grained materials are capable of superplastic elongation at strain rates faster than those currently employed for commercial superplastic forming operations. However, such operations require the material in the form of thin sheets.
Dušan Šimčák   +5 more
doaj   +1 more source

Ultrahigh high-strain-rate superplasticity in a nanostructured high-entropy alloy

open access: yesNature Communications, 2020
Superplasticity at high strain rates is challenging to achieve in high strength materials. Here, the authors show superplastic elongation in excess of 2000% in a high entropy alloy nanostructured by high-pressure torsion.
Nhung Thi-Cam Nguyen   +5 more
doaj   +1 more source

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