Effects of thermal cycling and room-temperature ageing on bismuth precipitates in Sn-Ag-Cu-Bi solder joints [0.03%]
热循环和室温老化对Sn-Ag-Cu-Bi焊点中Bi沉淀的影响
C L Hsieh,R J Coyle,J W Xian et al.
C L Hsieh et al.
The long-term stability of Bi-strengthened Sn-Ag-Cu solders is an important but insufficiently understood factor for the reliability of stored electronic assemblies. In this study, (Bi) precipitates in Sn-2.25Ag-0.5Cu-6Bi (wt.%) solder join...
On the orientation dependence of ion-induced phase transformations in austenitic stainless steel [0.03%]
奥氏体不锈钢中离子诱导相变的取向依赖性研究
James Whiteside,Mark J Whiting,David C Cox et al.
James Whiteside et al.
This study characterises the effects of crystal orientation on the evolution of austenite decomposition to ferrite/martensite in AISI-304 stainless steel, induced by exposure to gallium ions with a focused ion beam. Samples were exposed to ...
Novel test method to measure time-cure superposition shift factors of filled-thermoset under isocure testing conditions [0.03%]
一种新的测量填料热固性树脂材料时间固化过程中频温超疊移位因子的方法
Sukrut Prashant Phansalkar,Bongtae Han
Sukrut Prashant Phansalkar
Despite the solid theoretical foundation of time-cure superposition, the time-cure superposition (TCS) shift factors reported in the literature do not support the theory very well. The discrepancy stems from the non-isocure test conditions ...
A hybrid coating of polydopamine and nano-hydroxyapatite enhances surface properties of 3D printed poly(lactic-co-glycolic acid) scaffolds [0.03%]
聚多巴胺和纳米羟基磷灰石混合涂层可改善3D打印聚乳酸-乙醇酸共聚物支架的表面性能
Weitong Chen,Luke Nichols,Landon Teer et al.
Weitong Chen et al.
Polydopamine (pDA)-based surface modification is a promising method to enhance the surface conditions of biomaterials and facilitate cell-material interactions. Traditionally, the pDA is coated before anchoring secondary bioactive factors, ...
Tunable and scalable production of nanostar particle platforms for diverse applications using an AI-integrated automated synthesis system [0.03%]
一种可调和扩展纳米星颗粒平台的生产方法及其在多种应用中的应用构建——基于人工智能集成自动化合成系统
Aidan J Canning,Joy Q Li,Jianing Chen et al.
Aidan J Canning et al.
The tunable optical properties and exceptional electromagnetic field enhancement of nanostar-based plasmonic nanoparticles have garnered much attention for use in a wide array of biomedical applications. However, a great challenge for their...
On the rapid cooling cast solidification microstructures of Mg-Ca-Zn alloys [0.03%]
镁钙锌合金的快速冷却凝固组织研究
Yanheng Xie,Magnus Anderson,Claire Utton et al.
Yanheng Xie et al.
This work investigates the influence of Mg-Zn-Ca alloy compositions and rapid cooling conditions on microstructural evolution, with a focus on the formation and behaviour of intermetallic phases such as Mg2Ca, MgZn, and Ca2Mg6Zn3 during sol...
Review: developments in the creep of materials over a period of more than a century [0.03%]
综述：逾百年材料蠕变研究进展
Terence G Langdon
Terence G Langdon
Studies of creep may be traced back for more than 100 years and this extensive experimentation has produced a comprehensive understanding of the various flow mechanisms occurring in the steady-state or secondary stage of creep. These mechan...
High-resolution DIC analysis of in situ strain and crack propagation in coated AZ31 magnesium alloys under mechanical loading [0.03%]
高分辨DIC在机械载荷下涂层AZ31镁合金应变和裂纹扩展的原位分析
Berzah Yavuzyegit,Katerina Karali,Sarah Davis et al.
Berzah Yavuzyegit et al.
Biodegradable magnesium (Mg) alloys are promising for various biomedical applications but their susceptibility to corrosion poses significant challenges. This study systematically examines the microstructural integrity and failure mechanism...
Instrumented micro/macroindentation of porosity defects in laser powder bed fusion 316L stainless steel [0.03%]
激光粉末床熔融316L不锈钢中孔隙缺陷的微/宏压痕试验研究
Jordan S Weaver,Houshang Yin,Jesse Redford et al.
Jordan S Weaver et al.
Porosity defects and their effect on mechanical properties remain a concern in metals-based laser powder bed fusion, even for optimized process parameters. Instrumented micro/macroindentation with Berkovich and spherical tips to forces of 5...
Interphase and random nanoscale carbide precipitation in vanadium micro-alloyed steels studied using SANS [0.03%]
采用小角度中子散射研究微合金钢钒固溶相和随机纳米碳化物析出行为
Zamran Zahoor Khan,Steven R Parnell,S Erik Offerman et al.
Zamran Zahoor Khan et al.
The formation of nanoscale vanadium carbide (VC) precipitates is reported in steels subjected to two different thermal treatments. The thermal treatments lead to either interphase precipitation (IP) or random precipitation (RP). Small-angle...