[1]葛潔潔,徐雅欣,李文亞.冷噴涂Ti/WC復(fù)合涂層的組織與耐磨性研究[J].中國材料進(jìn)展,2024,43(02):096-101.[doi:10.7502/j.issn.1674-3962.202307017]
GE Jiejie,XU Yaxin,LI Wenya.Study on the Microstructure and Wear Properties of Cold Sprayed Ti/WC Composite Coatings[J].MATERIALS CHINA,2024,43(02):096-101.[doi:10.7502/j.issn.1674-3962.202307017]
點擊復(fù)制
冷噴涂Ti/WC復(fù)合涂層的組織與耐磨性研究(
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中國材料進(jìn)展[ISSN:1674-3962/CN:61-1473/TG]
- 卷:
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43
- 期數(shù):
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2024年第02期
- 頁碼:
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096-101
- 欄目:
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- 出版日期:
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2024-02-28
文章信息/Info
- Title:
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Study on the Microstructure and Wear Properties of Cold Sprayed Ti/WC Composite Coatings
- 文章編號:
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1674-3962(2024)02-0096-06
- 作者:
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葛潔潔; 徐雅欣; 李文亞
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西北工業(yè)大學(xué) 摩擦焊接技術(shù)陜西省重點實驗室，陜西 西安 710072
- Author(s):
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GE Jiejie; XU Yaxin; LI Wenya
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Shaanxi Key Laboratory of Friction Welding Technologies, Northwestern Polytechnical University, Xi’an 710072, China
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- 關(guān)鍵詞:
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鈦合金; 冷噴涂; 復(fù)合涂層; WC; 摩擦磨損
- Keywords:
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titanium alloy; cold spraying; composite coating; WC; wear
- 分類號:
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TG174.4
- DOI:
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10.7502/j.issn.1674-3962.202307017
- 文獻(xiàn)標(biāo)志碼:
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A
- 摘要:
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為解決鈦及其合金磨損性能較差的問題，采用高壓冷噴涂技術(shù)在Ti6Al4V合金基體上沉積了2種不同成分的Ti/WC復(fù)合涂層，通過室溫下的干滑動摩擦磨損試驗分別測試了基體與復(fù)合涂層的摩擦性能，并采用掃描電鏡及拉曼光譜對磨損表面進(jìn)行了觀察與表征。結(jié)果表明，與Ti6Al4V基體的磨損率（4.06×10-7 mm3/(N·m)）相比，復(fù)合涂層的磨損率降低了一個數(shù)量級，表現(xiàn)出優(yōu)異的耐磨性。此外，涂層內(nèi)WC含量的增加，提高了涂層的顯微硬度，涂層的耐磨性也隨之提升。在磨損軌跡表面，由TiO2、WO3以及WC碎片構(gòu)成的摩擦膜能夠有效避免磨球與涂層表面的直接接觸，從而降低磨損程度。因此，冷噴涂Ti/WC復(fù)合涂層在鈦合金磨損防護(hù)方面具有一定的應(yīng)用前景。
- Abstract:
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To solve the problem of poor wear performance of titanium and its alloys, two Ti/WC composite coatings with different compositions were deposited on Ti6Al4V alloy substrate using high-pressure cold spraying. The tribological properties of the substrate and the coatings were tested by dry sliding friction wear test at room temperature, and the wear surfaces were observed and characterized by scanning electron microscopy (SEM) and Raman spectroscopy. The results showed that the wear rates of the composite coatings are reduced by one order of magnitude compared with that of the Ti6Al4V matrix (4.06×10-7 mm3/(N·m)), exhibiting excellent wear resistance. In addition, the increase of WC content in the coating improves the microhardness and the wear resistance of the coating. On the surface of the wear track, the friction film composed of TiO2, WO3 and WC fragments can effectively avoid the direct contact between the grinding ball and the coating, thus reducing the degree of wear. Therefore, the cold-sprayed Ti/WC composite coating has certain application prospects in titanium alloy wear protection.
參考文獻(xiàn)/References:
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備注/Memo
- 備注/Memo:
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收稿日期：2023-07-19修回日期：2023-11-20
基金項目：國家重點研發(fā)計劃項目（2021YFB3200500）
第一作者：葛潔潔，女，1998年生，碩士研究生
通訊作者：徐雅欣，女，1985年生，副教授，博士生導(dǎo)師，
Email:xu.yaxin@nwpu.edu.cn
更新日期/Last Update:
2024-01-29