期刊
JOURNAL OF THE INDIAN INSTITUTE OF SCIENCE
卷 102, 期 1, 页码 513-559出版社
SPRINGER
DOI: 10.1007/s41745-021-00284-8
关键词
Indian space program; Aerospace structural materials; Functional materials; Materials processing; Thermo-structural materials; Electronic materials
This article introduces the development and localization of key materials and products in the Indian space program, as well as the efforts in producing aerospace quality metallic materials and functional materials in the past five decades. The article also discusses the recent advances and future directions in aerospace materials and manufacturing.
Materials are the backbone of any engineering structure and aerospace materials technologies are therefore closely guarded, in view of their dual use. Indian national space programmes such as the development of Polar and Geosynchronous satellite launch vehicles, communication and remote sensing satellites, recoverable space capsule, interplanetary missions such as Chandrayaan and Mangalyaan are symbols of the country's pride and owe their success largely to the dedicated efforts of material scientists towards development and indigenization of performance critical aerospace materials and products, over the years. The well-planned initiatives taken by ISRO in the early 1970s for the indigenous production of many of the structural and functional materials for the satellite launch vehicle programme were the earliest seeds sown which have yielded remarkable results in meeting the strategic material requirements of the present day, not only for space sector, but also in atomic energy and defense programs of India. Technology denials have in a way indirectly helped the country achieve self-reliance and in establishing large scale facilities required for meeting the materials demands of these strategic sectors. It is an undeniable fact that successfully meeting the critical requirements of all materials for Indian space programmes indigenously has been made possible through the dedicated efforts of teams which overcame several hurdles and challenges. This overview on the materials for Indian space program provides a glimpse of the efforts put to realize structural, thermo-structural and functional materials that are being used for various types of space missions. It presents the efforts in producing aerospace quality metallic materials like ultra-high strength maraging steels, aluminium, magnesium, titanium alloys, stainless steels, superalloys, powder metallurgical products and functional materials like electronic materials and thermal protection systems, in the past five decades. The overview culminates with discussion on the recent advances and future directions in aerospace materials and manufacturing.
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