Functionally oriented high-temperature composite materials for aerospace use

IF 2.7 4区材料科学 Q3 CHEMISTRY, PHYSICAL

Surface Innovations Pub Date : 2022-03-10 DOI:10.1680/jsuin.22.00016

P. Rusinov, Z. Blednova, R. Plomodyalo, A. P. Yurkova, Anastasia A Rusinova, Maxim D Ignatiev, Maxim Semadeni

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Abstract

The authors developed technology for obtaining surface composite materials. This technology includes high-energy mechanical treatment, HVOF in a protective atmosphere, subsequent thermomechanical and thermal treatment of ZrCuNiCoTi, cBNNi3AlSiCCoY layers in a protective atmosphere. The processing allowed to increase the adhesive strength of the surface composites, reduce their porosity and improve their functional and operational properties. Staged methods of heat treatment and plastic deformation of surface layers have been developed. These methods stabilize material structure while reducing residual stresses. On the basis of complex X-ray diffraction and electron microscopic studies, the structural parameters of surface composites were determined. It was shown that the ZrCuNiCoTi alloy is in the austenitic-martensitic state and has a nanocrystalline structure with a grain size of 80–120 nm. Meanwhile, the cBNNi3AlSiCCoY alloy consists of many intermetallic phases and inclusions and has a nanosized structure with a grain size of 100–200 nm. A microhardness study of the surface layers in ZrCuNiCoTi – cBNNi3AlSiCCoY composite showed that thermomechanical treatment increases microhardness. The experimental data were statistically processed. As a result, empirical mathematical dependences of the stress amplitude on cyclic durability were compiled. Mechanical tests included tests of NiCoTiZrHf – cBNCoMo, ZrCuNiCoTi – cBNNi3AlSiCCoY, TiNiZrHfCoCu – cBNCoNiAlY composites for multi-cycle fatigue during bending with rotation.

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航空航天用功能取向高温复合材料

作者开发了获得表面复合材料的技术。该技术包括高能机械处理、保护气氛中的HVOF、随后在保护气氛中对ZrCuNiCoTi、cBNNi3AlSiCCoY层进行的热机械和热处理。该工艺可以提高表面复合材料的粘合强度，降低其孔隙率，并改善其功能和操作性能。表面层的热处理和塑性变形的分级方法已经发展起来。这些方法在降低残余应力的同时稳定材料结构。在复杂X射线衍射和电子显微镜研究的基础上，确定了表面复合材料的结构参数。结果表明，ZrCuNiCoTi合金处于奥氏体-马氏体状态，具有晶粒尺寸为80–120的纳米晶体结构 nm。同时，cBNNi3AlSiCCoY合金由许多金属间相和夹杂物组成，具有晶粒尺寸为100–200的纳米结构 nm。对ZrCuNiCoTi–cBNNi3AlSiCCoY复合材料表面层的显微硬度研究表明，热机械处理提高了显微硬度。对实验数据进行了统计处理。结果编制了应力幅值与循环耐久性的经验数学关系式。机械试验包括NiCoTiZrHf–cBNCoMo、ZrCuNiCoTi–cBNNi3AlSiCCoY、TiNiZrHfCoCu–cBNCoNiAlY复合材料在旋转弯曲过程中的多周疲劳试验。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Surface Innovations CHEMISTRY, PHYSICALMATERIALS SCIENCE, COAT-MATERIALS SCIENCE, COATINGS & FILMS

CiteScore

5.80

自引率

22.90%

发文量

期刊介绍： The material innovations on surfaces, combined with understanding and manipulation of physics and chemistry of functional surfaces and coatings, have exploded in the past decade at an incredibly rapid pace. Superhydrophobicity, superhydrophlicity, self-cleaning, self-healing, anti-fouling, anti-bacterial, etc., have become important fundamental topics of surface science research community driven by curiosity of physics, chemistry, and biology of interaction phenomenon at surfaces and their enormous potential in practical applications. Materials having controlled-functionality surfaces and coatings are important to the manufacturing of new products for environmental control, liquid manipulation, nanotechnological advances, biomedical engineering, pharmacy, biotechnology, and many others, and are part of the most promising technological innovations of the twenty-first century.