酸浓度对联合清洗燃气轮机喷嘴叶片金属氧化物的影响

IF 0.6 4区材料科学 Q4 METALLURGY & METALLURGICAL ENGINEERING

Metal Science and Heat Treatment Pub Date : 2024-07-02 DOI:10.1007/s11041-024-01026-0

D. D. Fomina, V. Z. Poilov

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引用次数: 0

摘要

本文介绍了利用专门设计的封闭式高压釜微波系统 "Mars 5 "和蒸馏水中的超声波曝光，在正磷酸和硫酸溶液中对燃气轮机叶片表面进行化学清洗的方法。两阶段清洗包括高压釜中酸溶液的化学作用和清洗阶段的超声波清洗。研究了不同浓度的酸溶液对燃气轮机叶片表面金属氧化物和微裂纹清洗程度的影响。结果表明，当燃气轮机叶片样品在 "火星 5 号 "高压釜中用酸溶液处理并在清洗阶段用超声波清洗时，反映样品表面存在氧化物的残余氧含量低于 1%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Influence of Acid Concentration in Combined Cleaning of Gas Turbine Nozzle Blades from Metal Oxides

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Influence of Acid Concentration in Combined Cleaning of Gas Turbine Nozzle Blades from Metal Oxides

The method of chemical cleaning of the surface of blades of gas turbine units in a solution of orthophosphoric and sulfuric acids using a purpose-designed closed-type autoclave microwave system “Mars 5” and ultrasonic exposure in distilled water is described. The two-stage cleaning involves the chemical action of the acid solution in the autoclave and ultrasonic cleaning in the stage of washing. The effect of acid solutions of various concentrations on the degree of surface cleaning from metal oxides and microcracks in the gas turbine blades is studied. It is shown that when the samples of gas turbine blades are treated in the “Mars 5” autoclave with a solution of acids and with ultrasound in the washing stage, the residual oxygen content reflecting the presence of oxides on the surface of the samples is less than 1%.

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来源期刊

Metal Science and Heat Treatment 工程技术-冶金工程

CiteScore

1.20

自引率

16.70%

发文量

102

审稿时长

4-8 weeks

期刊介绍： Metal Science and Heat Treatment presents new fundamental and practical research in physical metallurgy, heat treatment equipment, and surface engineering. Topics covered include: New structural, high temperature, tool and precision steels; Cold-resistant, corrosion-resistant and radiation-resistant steels; Steels with rapid decline of induced properties; Alloys with shape memory effect; Bulk-amorphyzable metal alloys; Microcrystalline alloys; Nano materials and foam materials for medical use.