期刊论文

Qiu, CJ

英文

Coatings

2079-6412

2023

13

11

1926-

10.3390/coatings13111926

Conceptualization, K.Q. and C.Q.; methodology, K.Q. and P.C.; software, K.Q. and W.W.; validation, K.Q., P.C. and H.L.; formal analysis, K.Q. and C.Q.; investigation, K.Q.; resources, K.Q. and C.Q.; data curation, K.Q.; writing—original draft preparation, K.Q.; writing—review and editing, K.Q.; visualization, K.Q. and C.Q.; supervision, K.Q. and C.Q.; project administration, K.Q., W.W. and C.Q.; funding acquisition, C.Q. All authors have read and agreed to the published version of the manuscript. This project was supported by National Natural Science Foundation of China (Grant No. 52371032).

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In order to minimize the gaps between the direct laser deposition channels and improve the quality and performance of the formed parts, the process of direct laser deposition is utilized in laser additive manufacturing to create sequential, single- and double-channel deposition layers on 304 stainless steel plates. Under the premise of keeping the layer rate and defocusing amount unchanged, this study investigates the effects of laser power, scanning speed, and powder feeding rate on the morphology and inclusions of single- and double-channel deposited layers. The aim is to determine the optim...