Microstructure and refinement mechanism of Al–5Ti–1B alloys
Fenmo yejin jishu, 2022 Two kinds of Al–5Ti–1B alloys were prepared by powder mixing + hot extrusion and powder mixing + gas atomization + hot extrusion, respectively. The microstructures of the Al–5Ti–1B alloys prepared by two kinds of processes were studied, and the grain ...
LI Yang +4 more
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Grain Refinement of Al-5Ti-0.62C-0.2Nd Grain Refiner for Commercial Pure Aluminum and Its Effect on Mechanical Properties [PDF]
Materials Research, 2018 It is well known that the mechanical properties of commercial pure Al are influenced by size of α-Al dendrites. In the present work, Al-5Ti-0.62C-0.2Nd grain refiner was prepared by a pure molten aluminum thermal explosion reaction, and its effect on ...
Wanwu Ding +6 more
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Processing of metal matrix composites under external fields and their application as grain refiner [PDF]
, 2014 In an attempt to develop an efficient grain refiner by application of external fields, aluminium-based metal matrix composite Al- Mg-Ti/TiB 2, has been processed by mechanical stirring and treated by external field such as ultrasonication.
Vadakke Madam, S +12 more
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Metals, 2017 Based on electron backscattered diffraction analysis and transmission electron microscopy observation, the mechanism of inhomogeneous grain refinement in a NiTiFe shape memory alloy (SMA) subjected to single-pass equal-channel angular extrusion (ECAE ...
Yanqiu Zhang, Shuyong Jiang
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Results in Physics, 2019 The excellent grain refinement effectiveness and good electrical conductivity is difficult to be simultaneously obtained due to the influence of both the grain boundary and excessive Ti in the usually used refiners, such as Al-5Ti-1B master alloy.
Xuexia Xu +9 more
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Competition for Nucleation and Grain Initiation during Solidification
Metals, 2022 Without the addition of any grain refiner, the inclusion particles in a melt will induce heterogeneous nucleation and grain initiation during the solidification of metallic materials.
Feng Gao, Zhongyun Fan
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Grain refinement of primary silicon in hypereutectic Al-Si alloys by different P-containing compounds [PDF]
China Foundry, 2021 The grain refinement behavior of Si-3P, Si-25Mn-10P, and Al-10Si-2Fe-3P master alloys on hypereutectic Al-24Si alloy was studied. Microstructure analysis indicates that the P-containing compounds in the three master alloys are SiP, MnP, and AlP ...
Benson Kihono Njuguna +2 more
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Grain refinement in a AlZnMgCuTi alloy by intensive melt shearing: A multi-step nucleation mechanism [PDF]
, 2011 This is a post-print version of the article. Copyright @ 2010 Elsevier B.V.Direct chill (DC) cast ingots of wrought Al alloys conventionally require the deliberate addition of a grain refiner to provide a uniform as-cast microstructure for the ...
Jarry, P +9 more
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Grain refinement in cast titanium 6-aluminium 4-vanadium by hydrogenation, deformation and recrystallisation [PDF]
, 2013 Includes bibliographical references.Wrought Ti6Al4V has attractive mechanical properties but its usage is limited to highend aerospace applications because it is costly to machine components from wrought stock.
Vilane, Velile Nicholine
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Study on the grain refinement mechanism of the machined surface of Inconel 718
Journal of Materials Research and TechnologyIn machining processes, the high temperature and stress can lead to plastic deformations of the workpiece material. Thermomechanical loading has a significant impact on the microstructure of the machined surface, including grain deformation ...
Yu Qi +6 more
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