Materials and technologies of powder metallurgy in the components of missile and space engineering. Prospects of development

Abstract

The use of materials and technologies of powder metallurgy in the components of missile and space engineering is considered. The possibilities of these technologies are shown when producing composite materials, as well as products and coatings thereof through the example of radioabsorbing and radiotransparent materials. The methods for the synthesis of radioabsorbing materials based on ferrimagnetic materials (Ni0 0.58 Zn0 0.36 Mn 0.06 Co 0.028 Fe 2 O 4-nickel-zinc ferrites and hexagonal barium ferrite with W-phase (BaCo 2 Fe 16 O 27), obtained by MAS and MASHS methods were worked out. Methods of producing high-temperature ceramic radioabsorbing materials using alumina as a dielectric matrix, and a resistive material containing the MAX-phases Ti 2 AlC and Ti 3 AlC 2 and heat-resistant FeSiTiAl alloy as an electromagnetic pulse absorber were investigated. The production technique of a ceramic composite radiotransparent material based on high-alumina ceramics in the Al 2 O 3-SiO 2-TiO 2 system is proposed. The specific technological features of the powder metallurgy method, ensuring the production of materials and products (coatings) for missile-space technology with the required properties, are given. The promising directions and main tasks for powder metallurgy in the field of producing energy-saturated heterogeneous composite materials are determined.

Automatic Measurement of Nanoimage Based on Machine Vision and Powder Metallurgy Materials

“…In general, raw metal powders of 0.2% to 1.6% purity can play a major role in the preparation process. It affects the shape and function of the powder product, and has a profound impact on the subsequent processes [24]. Sintering prealloyed powder is a key step in powder metallurgy technology to achieve powder densification.…”