Blar i SINTEF Open på forfatter "Du, Qiang"
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Accelerated material development for laser powder-bed fusion using the arc melting process
Reiersen, Magnus; Gunnæs, Anette Eleonora; S. Azar, Amin; Diplas, Spyridon; Du, Qiang; M'Hamdi, Mohammed (Peer reviewed; Journal article, 2023)Metal additive manufacturing has in recent years gained an increasing amount of attention, especially the subgroup of laser powder-bed fusion and aluminium alloys. However, established alloys are designed for casting and ... -
Fast light alloy stamping technology (FAST) for manufacturing lightweight pressings from dissimilar aluminium alloy-tailor welded blanks
Liu, Xiaochuan; Cai, Zhaoheng; Ming, Ming; Hou, Qiang; Luan, Xi; Liu, Heli; Zhang, Lemeng; Politis, Denis J.; Du, Qiang; Wang, Liliang (Peer reviewed; Journal article, 2024)Dissimilar aluminium alloy-tailor weld blanks (DA-TWB) are increasingly being used in transportation industries due to their significant benefit in reinforcing vehicle structures as well as improving lightweight performance. ... -
A fully kinetic phase diagram-coupled multicomponent columnar-to-equiaxed grain transition model with an application to additive manufacturing
Du, Qiang; M'Hamdi, Mohammed; Reiersen, Magnus; Hovig, Even Wilberg; Zhang, Kai (Peer reviewed; Journal article, 2024)The columnar-to-equiaxed transition (CET) is known to impact crack formation during the additive manufacturing of metallic alloys. While previous experiments have shown that CET is tunable via its alloying elements, a ... -
Heterogeneous nucleation and grain growth of inoculated aluminium alloys: An integrated study by in-situ X-radiography and numerical modelling
Xu, Yijiang; Casari, Daniele; Du, Qiang; Mathiesen, Ragnvald; Arnberg, Lars; Li, Yanjun (Peer reviewed; Journal article, 2017)A comprehensive study on the heterogeneous nucleation and grain growth of Al-10 wt.%Cu alloys inoculated with Al-5Ti-1B was carried out. To further reveal the solute segregation stifling mechanism, in-situ near-isothermal ... -
Interfacial microstructure and mechanical properties of Ti−6Al−4V/Al7050 joints fabricated using the insert molding method
Li, Hong-Xiang; Nie, Xin-Yu; He, Zan-bing; Zhao, Kang-Ning; Du, Qiang; Zhang, Ji-Shan; Zhuang, Lin-Zhong (Peer reviewed; Journal article, 2017)Ti−6Al−4V/Al7050 joints were fabricated by a method of insert molding and corresponding interfacial microstructure and mechanical properties were investigated. The interfacial thickness was sensitive to holding temperature ... -
Kinetic interface condition phase diagram for the rapid solidification of multi-component alloys with an application to additive manufacturing
Du, Qiang; S. Azar, Amin; M'hamdi, Mohammed (Peer reviewed; Journal article, 2022)Solid-liquid Interface response function or the analysis of kinetic interfacial conditions under rapid solidification setting occupies a central role in solidification research. With the concepts of solute drag and solute ... -
Modelling and experimental validation of microstructure evolution during the cooling stage of homogenization heat treatment of Al-Mg-Si alloys
Du, Qiang; Jia, Lina; Tang, Kai; Holmedal, Bjørn (Journal article, 2018)A CALPHAD-coupled multi-component multi-phase Kampmann–Wagner Numerical modelling framework has been adapted and coupled with a homogenization model to predict the competitive nucleation and growth of multi-sized ... -
Modelling grain growth with the generalized Kampmann-Wagner numerical model
Du, Qiang; Chen, Miaomiao; Xie, Jianxin (Peer reviewed; Journal article, 2021)The multi-phase Kampmann-Wagner Numerical (KWN) model, which had been successfully applied for modeling particle precipitation (i.e. Ostwald ripening), is extended toward grain growth modeling. The extensions consist of ... -
Phase field simulation of microstructure evolution and process optimization during homogenization of additively manufactured Inconel 718 alloy
Chen, Miaomiao; Du, Qiang; Shi, Renhai; Fu, Huadong; Liu, Zhuangzhuang; Xie, Jianxin (Peer reviewed; Journal article, 2022)An in-depth and integral understanding of the microstructural evolution during thermomechanical process (TMP) is of great significance to optimize the manufactural process for high-quality components via additive manufacturing. ... -
Precipitation and strengthening modeling for disk-shaped particles in aluminum alloys: Size distribution considered
Li, Yue; Holmedal, Bjørn; Li, Hongxiang; Zhuang, Linzhong; Zhang, Jishan; Du, Qiang (Peer reviewed; Journal article, 2018)For an ICME (Integrated Computational Material Engineering) modeling framework used for the age-hardening aluminum alloy design and heat treatment parameters optimization, it is critical to take into account the geometric ... -
Precipitation of Non-Spherical Particles in Aluminum Alloys Part I: Generalization of the Kampmann–Wagner Numerical Model
Holmedal, Bjørn; Osmundsen, Elisa; Du, Qiang (Peer reviewed; Journal article, 2015)Particles precipitated during aging treatments often have non-spherical shapes, e.g., needles or plates, while in the classical Kampmann–Wagner Numerical (KWN) precipitation model, it is assumed that the particles are of ... -
Revisiting the response of microstructure and performance to cold pre-strain and the early aging stage in Al–Zn–Mg–Cu alloy
Li, Ya; Zeng, Quanqing; Retzl, Philipp; Kong, Yi; Liu, Yuling; Du, Qiang; Du, Yong (Peer reviewed; Journal article, 2024)In recent years, extensive research on dynamic precipitation has led to a growing interest in exploring how deformation affects microstructure and mechanical properties. In this study, the response of microstructure and ... -
Rheological properties of Al2O3–CaO–SiO2 slags
Tang, Kai; Eijk, Casper van der; Gouttebroze, Sylvain; Du, Qiang; Safarian, Jafar; Tranell, Gabriella (Peer reviewed; Journal article, 2022)The Al2O3–CaO–SiO2 ternary is a basic oxide system relevant for the Pedersen alumina production process and for aluminothermic silicon production with low environmental impact using secondary aluminium and silica raw ... -
Towards high-throughput microstructure simulation in compositionally complex alloys via machine learning
Li, Yue; Holmedal, Bjørn; Liu, Boyu; Li, Hongxiang; Zhuang, Linzhong; Zhang, Jishan; Du, Qiang; Xie, Jianxin (Peer reviewed; Journal article, 2021)The coupling of computational thermodynamics and kinetics has been the central research theme in Integrated Computational Material Engineering (ICME). Two major bottlenecks in implementing this coupling and performing ...