Results 1 to 10 of about 46,824 (301)

Superplasticity at Intermediate Temperatures of ZK60 Magnesium Alloy Processed by Indirect Extrusion [PDF]

Metals, 2021
Magnesium alloys usually exhibit excellent superplasticity at high temperature. However, many Mg alloys have poor formation ability near room temperature.
César Palacios-Trujillo, José Victoria-Hernández, David Hernández-Silva, Dietmar Letzig, Marco A. García-Bernal   +4 more
doaj   +5 more sources

Enhanced mechanical properties of Mg-Zn-Y-Zr alloy by low-speed indirect extrusion

Journal of Materials Research and Technology, 2020
Effects of extrusion temperature on microstructure and mechanical properties of low Zn and rare earth (RE) containing Mg-2.5Zn-0.7Y-0.4Zr alloy were investigated.
Yuzhao Xu, Jingyuan Li, Mingfan Qi, Luhai Liao, Zhijun Gao   +4 more
doaj   +4 more sources

The Influence of the Use of Different Polysaccharide Coatings on the Stability of Phenolic Compounds and Antioxidant Capacity of Chokeberry Hydrogel Microcapsules Obtained by Indirect Extrusion [PDF]

Foods, 2023
The aim of the study was to evaluate the effect of the use of different polysaccharides and their mixtures on the structure of chokeberry hydrogel microcapsules and the stability of polyphenolic compounds and antioxidant capacity during one month of ...
Marcelina Stach, Joanna Kolniak-Ostek
doaj   +2 more sources

Numerical Investigations on Material Flow During Indirect Extrusion of Copper-Clad Aluminum Rods [PDF]

Frontiers in Materials, 2020
In the extrusion of clad composite materials with different flow stresses are usually used. This causes an inhomogeneous material flow which can induce sleeve or core fracture.
Stefan Kuhnke, Vidal Sanabria, Felix Gensch, Renè Nitschke, Soeren Mueller   +4 more
doaj   +3 more sources

Clinical Applications of Orthodontic Mini-Implants in Orthodontic and Esthetic Practice: A Case Series Exploring Biomechanical Versatility [PDF]

Dentistry Journal
Background/Objectives: Orthodontic mini-implants have become indispensable in modern orthodontics due to their ability to provide absolute anchorage, independent of patient compliance.
Teodora Consuela Bungău, Ada Radu, Gabriela Ciavoi   +2 more
doaj   +2 more sources

Optimization of the Indirect Extrusion Process of Copper-Clad Aluminum Rods by Methods of Statistical Experimental Designs and Numerical Analyses

Frontiers in Materials, 2021
The success of composite extrusion is influenced by multiple process parameters. In order to investigate the significance of specific parameters during indirect extrusion of copper-clad aluminum (CCA) rods, statistical methods were applied and a central ...
Stefan Lechner, Ute Rœmisch, René Nitschke, Felix Gensch, Soeren Mueller   +4 more
doaj   +1 more source

New Unconventional Processes of Plastic Forming of the Internal Toothing of Coupling Spline Sleeves [PDF]

Archives of Metallurgy and Materials, 2020
The article explores the possibility of using the authors’ three new methods of unconventional extrusion of deep hollows to be used for the manufacture of spline sleeves intended for internal toothing couplings.
J. Michalczyk, S. Wiewiórowska
doaj   +1 more source

Heat extrusion processing ANN optimization and microstructure of spray forming TiCP/ZA35 composites

Journal of Aeronautical Materials, 2023
The effects of heat extrusion processing of spray forming TiCp/ZA35 composites on extrusion ratio, extrusion specific pressure, extrusion temperature and extrusion rate had been studied by artificial neural network (ANN).
LIU Jingfu, YE Jianjun, ZHOU Xiangchun, ZHUANG Weibin, WANG Yi   +4 more
doaj   +1 more source

Microstructure and mechanical properties of moderate-speed extrudable Mg-Gd-Sm-Zr alloy

Materials Research Express, 2021
Extrusion Mg-Gd based alloy has the excellent mechanical properties, but usually at the sacrifice of productivity. In this paper, we designed a Mg-10Gd-1Sm-0.5Zr alloy, and have successfully extruded it with a die-exit speed of 3.2 m min ^−1 , and the ...
Jian Bao, Quanan Li, Xiaoya Chen, Qian Zhang, Ziyi Chen   +4 more
doaj   +1 more source

Grain refinement and weak-textured structures based on the dynamic recrystallization of Mg–9.80Gd–3.78Y–1.12Sm–0.48Zr alloy

Journal of Magnesium and Alloys, 2021
We utilized electron backscatter diffraction to investigate the microstructure evolutions of a newly developed magnesium-rare earth alloy (Mg–9.80Gd–3.78Y–1.12Sm–0.48Zr) during instantaneous hot indirect extrusion. An equiaxed fine-grained (average grain
Yunwei Gui, Lingxiao Ouyang, Yujie Cui, Huakang Bian, Quanan Li, Akihiko Chiba   +5 more
doaj   +1 more source