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Strategic Study of CAE >> 2019, Volume 21, Issue 6 doi: 10.15302/J-SSCAE-2019.06.018

Application of Titanium Alloy Materials for the Pressure-Resistant Structure of Deep Diving Equipment

Luoyang Ship Material Research Institute, Luoyang 471023, Henan, China

Funding project:中国工程院咨询项目“海洋强国战略研究2035” (2018-ZD-08) Received: 2019-06-12 Revised: 2019-11-05

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Abstract

The development of titanium alloy deep-diving equipment is first summarized, and the desired properties of titanium alloy materials are then analyzed considering the characteristics of the deep-sea service conditions. Technical challenges faced by the application of deep-diving equipment are also introduced, including stress corrosion, compressive creep, microstructure evolution, property attenuation, and dynamic response under impact loading. Finally, key technologies in engineering application are summarized, such as large-size materials, application evaluation, and efficient construction. To satisfy the urgent demand for titanium alloy equipment in the deep-diving field, we propose to further increase basic research and engineering application of titanium alloy materials, and promote innovative application.

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