Research and Development of Low-cost Titanium Alloys

Xin, Shewei; Zhang, Jingli; Mao, Xiaonan; Zhao, Yongqing; Quan, Hong Zhu

doi:10.1088/1742-6596/1347/1/012022

Cited by 6 publications

(4 citation statements)

References 4 publications

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“…There are many types of research and review about optimizing bulletproof vests [4,5,6]. The researchers are using many types of material such as polyethylene [7,8], ceramic composite [9,10,11,12,13], ceramic [14,15], and Titanium [16,17,18,19]. The previous research shows the potency of some materials used in this research, e.g., polyethylene and titanium, which have good resistance to stopping the bullet.…”

Section: Introductionmentioning

confidence: 86%

Experimental study on the performance of multi-layered bulletproof vest

Sastranegara

Halawa

Anggraini

2022

Sinergi

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A bulletproof vest should have high strength and durability to resist a bullet as vital war equipment. However, the cost of creating good quality bulletproof vest is expensive. Therefore, research about an alternative bulletproof vest with affordable cost and competitive quality is needed. This research aims to review and compare two alternative vest types with one commercial type IV vest. Both alternative vests have similar components, except the second one has an additional Ultra High Molecular Weight Polyethylene (UHMWPE) component. The ballistic test shows that alternative vests are still not enough to resist a 5.56 mm bullet, but it has the potency to handle a 9 mm bullet. Furthermore, the influence of UHMWPE to resist 9 mm bullets is shown in this research.

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Section: Introductionmentioning

confidence: 86%

Experimental study on the performance of multi-layered bulletproof vest

Sastranegara

Halawa

Anggraini

2022

Sinergi

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“…For a numerical assessment of the degree of dependence of cutting parameters and surface roughness on cutting conditions and the geometry of the cutting tool, the corresponding empirical equations are included in the mathematical model (5)(6)(7)(8)(9)(10)(11):…”

Section: Mathematical Model Of Error Formationmentioning

confidence: 99%

“…The study of the cutting process is of fundamental importance for the rational choice of cutting modes [3,4]. The scientific literature widely represents unique properties of titanium alloys [5][6][7], problems in the machining of these materials [8][9][10] and possible ways to solve them [11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Machinability of Heat-Resistant Titanium Alloys during Turning

Larionova

Lyubomudrov

Larionov

2021

MSF

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The article discusses the properties and features of heat-resistant titanium alloys. The microstructure of a new titanium alloy VT41, its mechanical and service properties after various processing modes are presented. The main problems in the machining of difficult-to-machine titanium alloys are considered. The developed mathematical model of the formation of errors in turning titanium alloys, taking into account thermal deformations and dimensional wear of the cutting tool, elastic deformations of the technological system, is described. The paper presents the results of experimental research on turning of heat-resistant titanium alloy VT41 on a multi-parameter stand.

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“…The main obstacle to the wider use of titanium alloys is the complexity of the technology of obtaining primary titanium from the feedstock with the subsequent production of titanium alloys and powders [17][18][19].…”

Section: Introductionmentioning

confidence: 99%

Development of a technology to produce titanium powder with a low carbon footprint

Gonchar¹,

Troshchylo²,

Brodskyy³

et al. 2023

EEJET

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This paper reports the analysis of modern technologies for the production of titanium from oxide raw materials. It has been established that current industrial methods for producing titanium require the use of carbon as a reducing agent and, accordingly, cannot decrease carbon emissions without changing the technology. That is why devising a technology for producing titanium with a reduction in emissions of carbon components is a relevant task. So, the object of research is the technology of obtaining titanium from its oxide without the use of carbon components. It was found that an integrated approach to the preparation of raw materials and the separation of reduction processes with the successive use of two types of reducing agents – magnesium and calcium, made it possible to create an effective process for producing titanium without the use of carbon reducing agents. The influence of calcium and magnesium chlorides as promoters of the reduction process was revealed. Experimental studies have established that the shape and density of raw materials significantly affect the efficiency of the reduction process by streamlining the reducing agent flows and reaction products in the furnace charge. The established regularities made it possible to improve the process of reduction of titanium oxide to obtain samples of titanium powders with an oxygen content of 0.17 %, which corresponds to international standards for titanium alloys and powders. Additional plasma treatment made it possible to obtain materials that were suitable for additive processes in all respects. A systematic approach to the utilization of reaction products made it possible to devise a technological scheme in which all possible waste is either returned to the technological process after treatment or processed into marketable products. Based on the results of the study, a technological scheme for obtaining powders of titanium alloys from titanium oxide by complex reduction in two stages – magnesium and calcium – was developed. The proposed scheme involves standard metallurgical processes and is brought to standard processes and equipment of metallurgical enterprises and chemical industry. In terms of practical significance, the results of this work could be used in the development of industrial technology to produce titanium from titanium dioxide without the use of carbon components.

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Research and Development of Low-cost Titanium Alloys

Cited by 6 publications

References 4 publications

Experimental study on the performance of multi-layered bulletproof vest

Experimental study on the performance of multi-layered bulletproof vest

Machinability of Heat-Resistant Titanium Alloys during Turning

Development of a technology to produce titanium powder with a low carbon footprint

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