A novel immersion chemical mechanical polishing device and tailored slurry for processing heavy duty gas turbine compressor blades.

Qiyuan Li^1,2,3, Yaowen Wu⁴, Liguang Dong⁵, Yihai Liu^1,3, Qiang Dong^6,7, Lin Yang^1,3, Dingjun Li^1,3, Xiaocong Xiong^1,3, Ke Zhou^1,3

¹State Key Laboratory of Clean and Efficient Turbomachinery Power Equipment, Deyang, 618000, China.

²State Key Laboratory of High-performance Precision Manufacturing, Dalian University of Technology, Dalian, 116024, China.

³Dongfang Electric Corporation Dongfang Turbine Co., LTD, Deyang, 618000, China.

⁴State Key Laboratory of High-performance Precision Manufacturing, Dalian University of Technology, Dalian, 116024, China. wu_yaowen@126.com.

⁵State Key Laboratory of High-performance Precision Manufacturing, Dalian University of Technology, Dalian, 116024, China. donglg@mail.dlut.edu.cn.

⁶State Key Laboratory of Clean and Efficient Turbomachinery Power Equipment, Deyang, 618000, China. dtcdongqiang@dongfang.com.

⁷Dongfang Electric Corporation Dongfang Turbine Co., LTD, Deyang, 618000, China. dtcdongqiang@dongfang.com.

PubMed DOI

Abstract

As a key component of heavy-duty gas turbines, the compressor blades typically have complex free-form surfaces. These blades are widely made of martensitic stainless steel, which has excellent high strength, high corrosion resistance, and wear resistance, making it a typical difficult-to-machine material. To address these challenges, a novel green chemical mechanical polishing (CMP) slurry has bee…

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