Article(id=1236333415319007351, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236333405122646435, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2023.01.033, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1661097600000, receivedDateStr=2022-08-22, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1772694456176, onlineDateStr=2026-03-05, pubDate=1675180800000, pubDateStr=2023-02-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772694456176, onlineIssueDateStr=2026-03-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772694456176, creator=13701087609, updateTime=1772694456176, updator=13701087609, issue=Issue{id=1236333405122646435, tenantId=1146029695717560320, journalId=1235980550691926019, year='2023', volume='43', issue='1', pageStart='1', pageEnd='159', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1772694453745, creator=13701087609, updateTime=1772694772892, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1236334743785099547, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236333405122646435, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1236334743785099548, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236333405122646435, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=150, endPage=153, ext={EN=ArticleExt(id=1236333415654551702, articleId=1236333415319007351, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Microstructure and Mechanical Properties of CMT Surfacing Layer of Babbitt Alloy, columnId=1236276108207902848, journalTitle=Mining and Metallurgical Engineering, columnName=MATERIALS, runingTitle=null, highlight=null, articleAbstract=

A surfacing layer of Babbitt alloy was prepared on the surface of steel 20 by cold metal transfer (CMT) welding. And the metallographic morphology, phase composition, microstructure, element distribution, hardness and friction coefficient of the surfacing layer were analyzed by using metallographic microscope, X-ray diffractometer, scanning electron microscope, energy dispersive spectrometer, Vickers hardness tester, as well as friction and wear tester. The results show that the phase structure of surfacing layer of Babbitt alloy does not change and is composed of hard point SnSb phase, Cu6Sn5 phase and soft matrix α-Sn phase. A lower heat input leads to a rapid cooling rate for the surfacing layer of Babbitt alloy, and the surfacing layer with a finer grain size has hardness around 40HV0.1, much higher than that of cast Babbitt alloy. As the microhardness increases, the friction coefficient and specific wear rate of Babbitt alloy fall down to 0.31 and 1.38 × 10-5 mm3/(N·m), respectively. Based on the study of the wear mechanism, it is found that the surfacing layer of Babbitt alloy principally experiences abrasive wear. CMT welding can effectively improve the hardness and wear resistance of Babbitt alloy.

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采用冷金属过渡(CMT)技术在20钢表面制备了巴氏合金堆焊层,利用金相显微镜、X射线衍射仪、扫描电镜、能谱仪、维氏硬度计和摩擦磨损试验机分别对堆焊层的金相形貌、物相组成、显微组织、元素分布、硬度和摩擦因数进行测试。结果表明,巴氏合金堆焊层的相结构并未发生变化,由硬质点SnSb相、Cu6Sn5相和软基体α-Sn相组成;由于热输入的降低,巴氏合金堆焊层的冷却速率提高,堆焊层晶粒明显细化,硬度约为40HV0.1,远高于铸造巴氏合金;由于显微硬度升高,巴氏合金堆焊层的摩擦因数和比磨损率均降低,分别为0.31和1.38 × 10-5 mm3/(N·m);巴氏合金堆焊层的磨损机理为磨粒磨损。CMT堆焊技术可有效提升巴氏合金的硬度和耐磨性。

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郑军武(1970—),男,安徽安庆人,硕士,副教授,主要研究方向为汽车控制技术及CMT堆焊。

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郑军武(1970—),男,安徽安庆人,硕士,副教授,主要研究方向为汽车控制技术及CMT堆焊。

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郑军武(1970—),男,安徽安庆人,硕士,副教授,主要研究方向为汽车控制技术及CMT堆焊。

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CMT堆焊巴氏合金堆焊层组织及力学性能
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郑军武 1 , 陈绍 2 , 李富坤 3
矿冶工程杂志 | 材料 2023,43(1): 150-153
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矿冶工程杂志 | 材料 2023, 43(1): 150-153
CMT堆焊巴氏合金堆焊层组织及力学性能
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郑军武1, 陈绍2, 李富坤3
作者信息
  • 1.无锡交通高等职业技术学校,江苏 无锡 214151
  • 2.山东理工大学 材料科学与工程学院,山东 淄博 255000
  • 3.山东泰山钢铁集团有限公司,山东 济南 271100
  • 郑军武(1970—),男,安徽安庆人,硕士,副教授,主要研究方向为汽车控制技术及CMT堆焊。

Microstructure and Mechanical Properties of CMT Surfacing Layer of Babbitt Alloy
Junwu ZHENG1, Shao CHEN2, Fukun LI3
Affiliations
  • 1.Wuxi Institute of Communications Technology, Wuxi 214151, Jiangsu, China
  • 2.School of Materials Science and Engineering, Shandong University of Technology, Zibo 255000, Shandong, China
  • 3.Shandong Taishan Iron & Steel Group Co Ltd, Jinan 271100, Shandong, China
出版时间: 2023-02-01 doi: 10.3969/j.issn.0253-6099.2023.01.033
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采用冷金属过渡(CMT)技术在20钢表面制备了巴氏合金堆焊层,利用金相显微镜、X射线衍射仪、扫描电镜、能谱仪、维氏硬度计和摩擦磨损试验机分别对堆焊层的金相形貌、物相组成、显微组织、元素分布、硬度和摩擦因数进行测试。结果表明,巴氏合金堆焊层的相结构并未发生变化,由硬质点SnSb相、Cu6Sn5相和软基体α-Sn相组成;由于热输入的降低,巴氏合金堆焊层的冷却速率提高,堆焊层晶粒明显细化,硬度约为40HV0.1,远高于铸造巴氏合金;由于显微硬度升高,巴氏合金堆焊层的摩擦因数和比磨损率均降低,分别为0.31和1.38 × 10-5 mm3/(N·m);巴氏合金堆焊层的磨损机理为磨粒磨损。CMT堆焊技术可有效提升巴氏合金的硬度和耐磨性。

冷金属过渡焊接  /  堆焊  /  巴氏合金  /  磨损  /  堆焊层

A surfacing layer of Babbitt alloy was prepared on the surface of steel 20 by cold metal transfer (CMT) welding. And the metallographic morphology, phase composition, microstructure, element distribution, hardness and friction coefficient of the surfacing layer were analyzed by using metallographic microscope, X-ray diffractometer, scanning electron microscope, energy dispersive spectrometer, Vickers hardness tester, as well as friction and wear tester. The results show that the phase structure of surfacing layer of Babbitt alloy does not change and is composed of hard point SnSb phase, Cu6Sn5 phase and soft matrix α-Sn phase. A lower heat input leads to a rapid cooling rate for the surfacing layer of Babbitt alloy, and the surfacing layer with a finer grain size has hardness around 40HV0.1, much higher than that of cast Babbitt alloy. As the microhardness increases, the friction coefficient and specific wear rate of Babbitt alloy fall down to 0.31 and 1.38 × 10-5 mm3/(N·m), respectively. Based on the study of the wear mechanism, it is found that the surfacing layer of Babbitt alloy principally experiences abrasive wear. CMT welding can effectively improve the hardness and wear resistance of Babbitt alloy.

cold metal transition (CMT) welding  /  surfacing welding  /  Babbitt alloy  /  wear  /  surfacing layer
郑军武, 陈绍, 李富坤. CMT堆焊巴氏合金堆焊层组织及力学性能. 矿冶工程杂志, 2023 , 43 (1) : 150 -153 . DOI: 10.3969/j.issn.0253-6099.2023.01.033
Junwu ZHENG, Shao CHEN, Fukun LI. Microstructure and Mechanical Properties of CMT Surfacing Layer of Babbitt Alloy[J]. Mining and Metallurgical Engineering, 2023 , 43 (1) : 150 -153 . DOI: 10.3969/j.issn.0253-6099.2023.01.033
  • 山东省自然科学基金(ZR2020QE145)
2023年第43卷第1期
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doi: 10.3969/j.issn.0253-6099.2023.01.033
  • 接收时间:2022-08-22
  • 首发时间:2026-03-05
  • 出版时间:2023-02-01
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  • 收稿日期:2022-08-22
基金
山东省自然科学基金(ZR2020QE145)
作者信息
    1.无锡交通高等职业技术学校,江苏 无锡 214151
    2.山东理工大学 材料科学与工程学院,山东 淄博 255000
    3.山东泰山钢铁集团有限公司,山东 济南 271100
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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