Schaeffler-Type Phase Diagram of Ti-Based Alloys

Ishida, K.

doi:10.1007/s11661-017-4218-3

Cited by 15 publications

(6 citation statements)

References 13 publications

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“…The molybdenum equivalent (Mo eq ) has been widely used to measure the β-phase stability in the multicomponent Ti-based alloy quantitatively. In addition, it has been shown that the Mo eq parameter is also reliable for predicting the phase stability of solid solution in HEA, especially for the BCC/HCP phase ( Wang et al, 2015 ); Ishida ( Ishida, 2017 ) suggested a new Mo eq based on the thermodynamic database of the Ti alloys, as shown in Eq. 7

Where [M] is the weight percent concentration of element M. The inclusion of Ti, Zr, Hf, Nb, Ta, V, Mo, and W, the basic elements of Bio-HEAs, implies that the Mo eq index is a guide to determining the desired stability of the solid solution phase in Bio-HEAs.…”

Section: Component Design Theory and Simulation Studiesmentioning

confidence: 99%

“…The molybdenum equivalent (Mo eq ) has been widely used to measure the β-phase stability in the multicomponent Ti-based alloy quantitatively. In addition, it has been shown that the Mo eq parameter is also reliable for predicting the phase stability of solid solution in HEA, especially for the BCC/HCP phase (Wang et al, 2015); Ishida (Ishida, 2017) suggested a new Mo eq based on the thermodynamic database of the Ti alloys, as shown in Eq. 7…”

Section: Solid-solution Phase Formation Rulesmentioning

confidence: 99%

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Bio-high entropy alloys: Progress, challenges, and opportunities

Feng

Tang

Liu

et al. 2022

Front. Bioeng. Biotechnol.

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With the continuous progress and development in biomedicine, metallic biomedical materials have attracted significant attention from researchers. Due to the low compatibility of traditional metal implant materials with the human body, it is urgent to develop new biomaterials with excellent mechanical properties and appropriate biocompatibility to solve the adverse reactions caused by long-term implantation. High entropy alloys (HEAs) are nearly equimolar alloys of five or more elements, with huge compositional design space and excellent mechanical properties. In contrast, biological high-entropy alloys (Bio-HEAs) are expected to be a new bio-alloy for biomedicine due to their excellent biocompatibility and tunable mechanical properties. This review summarizes the composition system of Bio-HEAs in recent years, introduces their biocompatibility and mechanical properties of human bone adaptation, and finally puts forward the following suggestions for the development direction of Bio-HEAs: to improve the theory and simulation studies of Bio-HEAs composition design, to quantify the influence of composition, process, post-treatment on the performance of Bio-HEAs, to focus on the loss of Bio-HEAs under actual service conditions, and it is hoped that the clinical application of the new medical alloy Bio-HEAs can be realized as soon as possible.

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Section: Component Design Theory and Simulation Studiesmentioning

confidence: 99%

“…The molybdenum equivalent (Mo eq ) has been widely used to measure the β-phase stability in the multicomponent Ti-based alloy quantitatively. In addition, it has been shown that the Mo eq parameter is also reliable for predicting the phase stability of solid solution in HEA, especially for the BCC/HCP phase (Wang et al, 2015); Ishida (Ishida, 2017) suggested a new Mo eq based on the thermodynamic database of the Ti alloys, as shown in Eq. 7…”

Section: Solid-solution Phase Formation Rulesmentioning

confidence: 99%

Bio-high entropy alloys: Progress, challenges, and opportunities

Feng

Tang

Liu

et al. 2022

Front. Bioeng. Biotechnol.

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“…( 1) and Eq. ( 2), respectively [21] . Then, the matrix structure of the steels can be roughly determined by referring to the Schaeflfer-Delong diagram, as shown in Fig.…”

Section: Thermodynamic Calculationmentioning

confidence: 99%

Effect of Mn addition on microstructure and mechanical properties of GX40CrNiSi25-12 austenitic heat resistant steel

Jiang,

Wu,

Yang

et al. 2024

China Foundry

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Heat resistant steel is widely used in high-temperature working environments in industrial fields such as electric power, petroleum, chemical industry and automotive due to its advantages of excellent high-temperature performance, good oxidation resistance and stress corrosion resistance [1][2][3] . However, the rapid development of industry has put forward higher requirements for the performance of heat resistant steels. For example, the increasingly strict regulations on automobile emissions and the application of various new technologies in automobiles have led to a continuous increase in exhaust temperature, which requires that the materials of automobile exhaust end components can withstand

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“…13) The recommended values of Al eq and Mo eq can be expressed by the following equations. 14) Al eq ¼ Al þ 0:14Ag þ 19:97C þ 1:05Ce þ 1:08Er þ 0:12Gd þ 0:15Ga þ 0:83Ge þ 0:84La þ 24:76N þ 0:89Nd þ 7:68O þ 0:05Sc þ 0:00Sn ð1Þ…”

Section: Alloy Design Of Ti-based Alloysmentioning

confidence: 99%

“…The Ms and ¢ transus temperatures can also be predicted by Al eq and Mo eq . 14) Therefore, the Al eq and Mo eq expressed by eqs. (1) and (2) are very useful for alloy design, heat treatment and microstructural evolution of Ti-based alloys.…”

Section: Alloy Design Of Ti-based Alloysmentioning

confidence: 99%

Alloy Design and Development of Advanced Materials Based on Phase Diagrams and Microstructural Control

Ishida

2020

Mater. Trans.

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Recent progress in the development of advanced materials based on the study of CALPHAD approach to the phase diagrams and microstructural control is presented. Thermodynamic databases on the FeS based system, FeMnAl based alloys, Cu-based alloys and Cobased superalloys have been constructed. By utilizing these databases and information on phase diagrams, the following advanced materials have been designed and developed; (i) Schaeffler-type Ti-based alloys, (ii) Pb-free machinable stainless steels using titanium carbosulphide, (iii) high strength FeMn based alloys with low density, (iv) FSW (Friction Stir Welding) tool using Co-based superalloy strengthened by £ A (Co 3 (Al, W)) phase, (v) Ni based metamagnetic shape memory alloys, (vi) CuNiAl based alloys with high strength and high electronic conductivity strengthened by £ A (Ni 3 Al) phase, and (vii) Ingrown nail correcting device and seismic application using CuAlMn based shape memory alloys. The alloy design and practical application of these materials focussing on the use of phase diagrams have been presented.

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Schaeffler-Type Phase Diagram of Ti-Based Alloys

Cited by 15 publications

References 13 publications

Bio-high entropy alloys: Progress, challenges, and opportunities

Bio-high entropy alloys: Progress, challenges, and opportunities

Effect of Mn addition on microstructure and mechanical properties of GX40CrNiSi25-12 austenitic heat resistant steel

Alloy Design and Development of Advanced Materials Based on Phase Diagrams and Microstructural Control

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