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SLURRY EROSION BEHAVIOR OF HVOF SPRAYED WC-12Co AND Cr3C2-25NiCr COATINGS DEPOSITED ON 16Cr5Ni STAINLESS STEEL
Surface Review and Letters ( IF 1.1 ) Pub Date : 2019-11-28 , DOI: 10.1142/s0218625x19501932
JIN DU 1, 2, 3 , JIANFENG ZHANG 1 , JINKUN XIAO 1 , CHAO ZHANG 1
Affiliation  

Slurry erosion behaviors of HVOF WC-12Co and Cr3C2-25NiCr coatings as well as 16Cr5Ni martensitic stainless steel were investigated in the present paper. Erosion experiments were carried out using slurry with different rotational speeds, particle size and concentration to evaluate their influences on the coatings. It was found that the rotational speed had the most significant influence on WC-12Co coating, whereas the erosion particle size was a more dominant factor for the Cr3C2-25NiCr coating. Nevertheless, the effect of concentration was most important in the case of 16Cr5Ni steel. It is demonstrated that cermet composite coatings could effectively enhance the resistance of slurry erosion, and the WC-12Co coating exhibits a minimum erosion rate compared with the steel and Cr3C2-25NiCr coating. 16Cr5Ni steel and WC-12Co coating showed ductile and brittle mechanisms, respectively, whereas Cr3C2-25NiCr exhibited multiple mechanisms of ductile and brittle, dominantly ductile.

中文翻译:

沉积在 16Cr5Ni 不锈钢上的 HVOF 喷涂 WC-12Co 和 Cr3C2-25NiCr 涂层的浆料侵蚀行为

HVOF WC-12Co和Cr的浆料侵蚀行为3C2本文研究了-25NiCr涂层和16Cr5Ni马氏体不锈钢。使用具有不同转速、粒度和浓度的浆料进行侵蚀实验,以评估它们对涂层的影响。研究发现转速对WC-12Co涂层的影响最为显着,而侵蚀粒径对Cr的影响更为显着。3C2-25NiCr 涂层。然而,浓度的影响在 16Cr5Ni 钢中最为重要。研究表明,金属陶瓷复合涂层能有效提高抗浆料侵蚀能力,与钢和Cr相比,WC-12Co涂层的侵蚀速率最小。3C2-25NiCr 涂层。16Cr5Ni 钢和 WC-12Co 涂层分别表现出韧性和脆性机制,而 Cr3C2-25NiCr表现出韧性和脆性的多种机制,以韧性为主。
更新日期:2019-11-28
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