The development of grain structure during additive manufacturing
Sign Up to like & getrecommendations! Published in 2021 at "Acta Materialia"
DOI: 10.1016/j.actamat.2021.116862
Abstract: Abstract Additive manufacturing of structural alloys results in the formation of complex microstructures, often with long, columnar grains that grow epitaxially from existing grains. A phase-field modeling framework is presented that considers solidification along a… read more here.
Keywords: manufacturing; structure additive; additive manufacturing; development grain ... See more keywords
Three-dimensional analysis of grain structure and texture of additively manufactured 316L austenitic stainless steel
Sign Up to like & getrecommendations! Published in 2020 at "Additive manufacturing"
DOI: 10.1016/j.addma.2020.101521
Abstract: Abstract This paper aims at an in-depth analysis of grain structure and texture of 316 L austenitic stainless steel produced by the powder bed based additive manufacturing in three dimensions. The modeling framework adopted for this… read more here.
Keywords: additively manufactured; texture; steel; grain structure ... See more keywords
Fabrication of dual-grain structure WC-Co cemented carbide by in-situ carbothermal reduction of WO3 and subsequent liquid sintering
Sign Up to like & getrecommendations! Published in 2020 at "Ceramics International"
DOI: 10.1016/j.ceramint.2020.02.045
Abstract: Abstract In this study, WC-Co cemented carbides with dual-grain structure were prepared via in-situ carbothermal reduction of WO3, followed by liquid sintering in a single thermal cycle, utilizing carbon black, Co, WO3 and coarse WC… read more here.
Keywords: grain structure; dual grain; carbothermal reduction; grain ... See more keywords
Grain structure modification of Cu-Sn IMCs by applying Cu-Zn UBM on transient liquid-phase bonding in novel 3D-IC technologies
Sign Up to like & getrecommendations! Published in 2017 at "Intermetallics"
DOI: 10.1016/j.intermet.2017.02.021
Abstract: Abstract This study focuses on the formation mechanism of impinged-grain of Cu 6 Sn 5 and interfolded-grain of Cu 6 (Sn,Zn) 5 in Cu/Sn-3.5Ag/Cu and Cu/Sn-3.5Ag/Cu-15Zn (wt %) transient liquid-phase (TLP) bonding after reflow, respectively.… read more here.
Keywords: novel technologies; grain structure; transient liquid; liquid phase ... See more keywords
Effects of reduced surface grain structure and improved particle distribution on pitting corrosion of AA6063 aluminum alloy
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2020.155464
Abstract: Abstract In this paper, the effects of equal channel angular pressing (ECAP) and age treatment on the evolution of surface grain structure and corrosion behavior of AA6063 were investigated. ECAP was conducted for up to… read more here.
Keywords: grain structure; pitting corrosion; surface grain; corrosion ... See more keywords
Evolution of grain structure and recombination active dislocations in extraordinary tall conventional and high performance multi-crystalline silicon ingots
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Crystal Growth"
DOI: 10.1016/j.jcrysgro.2016.11.030
Abstract: Abstract In this work one high performance multi-crystalline silicon ingot and one conventional multi-crystalline silicon ingot, each with an extraordinary ingot height of 710 mm, were replicated by the successive growth of eight G1 ingots to… read more here.
Keywords: grain structure; multi crystalline; silicon; grain ... See more keywords
Evolution of twinning in extruded AZ31 alloy with bimodal grain structure
Sign Up to like & getrecommendations! Published in 2017 at "Materials Characterization"
DOI: 10.1016/j.matchar.2017.02.017
Abstract: Abstract Twinning in extruded AZ31 alloy with a bimodal grain structure is studied under compression along the extrusion direction. This study has combined in-situ measurements during the compression tests by Synchrotron Radiation Diffraction and Acoustic… read more here.
Keywords: twinning extruded; grain structure; bimodal grain; extruded az31 ... See more keywords
Strengthening iron wires through gradient grain structure
Sign Up to like & getrecommendations! Published in 2020 at "Materials Characterization"
DOI: 10.1016/j.matchar.2020.110821
Abstract: Abstract Pure iron wires were obtained by a two-step process involving torsion and cold drawing. A steep change in grain size through the cross-section of wires was produced during the torsion stage. The Vickers hardness… read more here.
Keywords: grain structure; grain; iron wires; region ... See more keywords
Prediction of grain structure in direct-chill cast Al–Zn–Mg–Cu billets using cellular automaton-finite element method
Sign Up to like & getrecommendations! Published in 2021 at "Progress in Natural Science: Materials International"
DOI: 10.1016/j.pnsc.2021.05.003
Abstract: Abstract A cellular automaton-finite element (CA-FE) model was used to predict the solidification grain structure of permanent mold cast A7086 alloy. In this model, a Gaussian distribution of nucleation sites was adopted, and the Kurz-Giovanola-Trivedi… read more here.
Keywords: finite element; direct chill; automaton finite; cellular automaton ... See more keywords
Influence of crystal grain structure of steel surface on formation of chemical reaction film derived from engine oil additives
Sign Up to like & getrecommendations! Published in 2020 at "Tribology International"
DOI: 10.1016/j.triboint.2020.106458
Abstract: Abstract This study investigated the relationship between the chemical reaction film formation derived from engine oil additives and crystal grain structure of a steel surface. Variations in the contact area between a rotating sapphire disc… read more here.
Keywords: grain structure; surface; crystal grain; chemical reaction ... See more keywords
Exploration of TATB Grain Structure on Detonation Sensitivity Using X-ray CT
Sign Up to like & getrecommendations! Published in 2019 at "Microscopy and Microanalysis"
DOI: 10.1017/s1431927619002800
Abstract: Triaminotrinitrobenzene (TATB) explosive crystals are often used within a variety of explosive systems. The crystal loading and physical heterogeneity, the crystal size and shape, can all greatly affect the sensitivity of the explosive [1-2]. This… read more here.
Keywords: tatb grain; structure; sensitivity; grain structure ... See more keywords