Evidence map›Paper›PMID 42451861›Full record

ArticleMaterials (Basel, Switzerland)2026

Microstructure and Properties of Cu-Ni-W-Si Gradient Coating on Copper Alloy by Laser Cladding.

Kaiyu You, Qi Zhong, Hanchang Ye, Yuxiang Jiang, Chenjiayue Ji, Haoran Ouyang, Pengyuan Zhai, Fengcheng Li, Zhenyang Cai

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Materials (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors.

Kaiyu YouSchool of Materials Science and Engineering, Central South University, Changsha 410083, China.
Qi ZhongSchool of Materials Science and Engineering, Central South University, Changsha 410083, China.
Hanchang YeSchool of Materials Science and Engineering, Central South University, Changsha 410083, China.
Yuxiang JiangSchool of Materials Science and Engineering, Central South University, Changsha 410083, China.
Chenjiayue JiSchool of Materials Science and Engineering, Central South University, Changsha 410083, China.
Haoran OuyangSchool of Materials Science and Engineering, Central South University, Changsha 410083, China.
Pengyuan ZhaiNew Technology Promotion Institute of China Ordnance Industries, Beijing 100089, China.
Fengcheng LiNew Technology Promotion Institute of China Ordnance Industries, Beijing 100089, China.
Zhenyang CaiSchool of Materials Science and Engineering, Central South University, Changsha 410083, China.

Funding

National Defense Basic Scientific Research Program of China 2020208B020
6 · The paper itself

Abstract

To enhance the surface hardness and wear resistance of copper alloy workpieces, a Cu-Ni-W-Si gradient coating was fabricated on a Cu-Cr-Zr alloy substrate using coaxial powder-feeding laser cladding technology. Employing surface macroscopic morphology, flaw detection results, and cross-sectional microstructure as evaluation methods, along with the coating's surface microhardness as a performance indicator, orthogonal experiments were sequentially conducted on the laser cladding process parameters for the Cu-Ni-10(W,Si) bottom layer and the Cu-Ni-20(W,Si) top layer. The optimized process parameters were identified as follows: a laser power of 4500 W (5000 W for the top layer), a scanning speed of 30 mm/s (60 mm/s for the top layer), and a scanning step of 2 mm. Subsequently, the phase composition and microstructure of the Cu-Ni-W-Si gradient coating were analyzed, and the microhardness distribution as well as the room-temperature friction and wear performance were evaluated. The results show that the coating achieves a hardness of 417 HV, which is 5.8 times higher than that of the substrate, and exhibits a wear rate of 3.52 × 10

Indexed as

copper alloyCu-Ni-W-Si coatinglaser claddingorthogonal experiment

Identifiers

PMID42451861
PMCPMC13362561

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.