H13钢激光涂覆层的高温磨损性能
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摘要
选取H13钢进行激光涂覆,获得激光熔覆涂层,并进行了微观组织和硬度的分析。采用销—盘式高温磨损试验机研究了H13钢涂层的高温磨损行为,并与H13钢进行对比。采用SEM、XRD、EDS等微观分析手段对H13钢和涂层磨面进行形貌、物相和成分分析,并探讨磨损机制。结果表明:在同一载荷条件下,当温度从400℃升至600℃时,涂层的磨损失重明显低于H13钢;当温度为600℃,载荷为150 N时,H13钢的磨损失重要更加严重,磨损表面发生了塑性挤出,磨损失重增加,而涂层的磨损失重要比H13钢小得多,说明涂层在高温情况下表现出良好的耐磨性。在同一温度下,涂层和H13钢的磨损失重都随着载荷的增加而增加。400℃,50 N时,H13钢和涂层的磨损机理为轻微磨损;400℃,150 N时,H13钢的磨损机理为氧化磨损,而涂层的磨损机理为轻微磨损;但是,在600℃,50 N时,H13钢的磨损机理为氧化磨损,涂层的磨损机理则是磨粒磨损;600℃,150 N时,H13钢的磨损机理为塑性变形,涂层的磨损机理则为磨粒磨损。
The H13 steel was selected for laser coating to obtain a laser cladding coating,and the microstructure and hardness were analyzed.The high temperature wear behavior of H13 steel coating was studied by pin-plate high temperature wear tester and compared with H13 steel substrate.The morphology,phase and composition of the ground surface were analyzed by microscopic analysis methods such as SEM,XRD and EDS,and the wear mechanism was discussed.The results show that under the same load condition,when the temperature is raised from 400 ℃ to 600 ℃,the grinding loss of the coating is significantly lower than that of H13 steel.When the temperature is 600 ℃ and the load is 150 N,the grinding loss of H13 steel is more serious.Plastic extrusion occurs on the worn surface,and the grinding loss increases,and the wear loss of the coating is much smaller than that of the H13 steel,indicating that the coating exhibits good wear resistance at high temperatures.At the same temperature,the wear loss of the coating and H13 steel increases with increasing load.At 400 ℃ and 50 N load,the wear mechanism of H13 steel and coating is slight wear,at 400 ℃ and 150 N load,the wear mechanism of H13 steel is oxidative wear,and the wear mechanism of the coating is slight wear,however,at 600 ℃ and 50 N load the wear mechanism of H13 steel is oxidative wear,while the wear mechanism of the coating is abrasive wear.At 600 ℃ and 150 N load,the wear mechanism of H13 steel is plastic deformation,and the wear mechanism of the coating is abrasive wear.
The H13 steel was selected for laser coating to obtain a laser cladding coating,and the microstructure and hardness were analyzed.The high temperature wear behavior of H13 steel coating was studied by pin-plate high temperature wear tester and compared with H13 steel substrate.The morphology,phase and composition of the ground surface were analyzed by microscopic analysis methods such as SEM,XRD and EDS,and the wear mechanism was discussed.The results show that under the same load condition,when the temperature is raised from 400 ℃ to 600 ℃,the grinding loss of the coating is significantly lower than that of H13 steel.When the temperature is 600 ℃ and the load is 150 N,the grinding loss of H13 steel is more serious.Plastic extrusion occurs on the worn surface,and the grinding loss increases,and the wear loss of the coating is much smaller than that of the H13 steel,indicating that the coating exhibits good wear resistance at high temperatures.At the same temperature,the wear loss of the coating and H13 steel increases with increasing load.At 400 ℃ and 50 N load,the wear mechanism of H13 steel and coating is slight wear,at 400 ℃ and 150 N load,the wear mechanism of H13 steel is oxidative wear,and the wear mechanism of the coating is slight wear,however,at 600 ℃ and 50 N load the wear mechanism of H13 steel is oxidative wear,while the wear mechanism of the coating is abrasive wear.At 600 ℃ and 150 N load,the wear mechanism of H13 steel is plastic deformation,and the wear mechanism of the coating is abrasive wear.
引文
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[11] Zhang Chunhua,Zhang Song,Zhang Ning.Microstructure and corrosion properties of laser cladding NiFeBSi-Si3N4 alloy on H13 steel surface[J].Metal Heat Treatment,2006,31(9):49-51.(张春华,张松,张宁.H13钢表面激光熔覆NiFeBSi-Si3N4合金的组织及腐蚀性能[J].金属热处理,2006,31(9):49-51.)
[12] Tong Xing,Dai Mingjiang,Zhang Zhihui.Thermal fatigue resistance of H13 steel treated by selective laser surface melting and CrNi alloy[J].Applied Surface Science,2013,271(8):373-380.(佟鑫,代明江,张志辉.选择性激光表面CrNi合金化H13钢的康热疲劳性能[J].应用表面科学,2013,271(8):373-380.)
[13] Wei Minxian,Wang Shuqi,Cui Xianghong.Comparative research on wear characteristics of spheroidal graphite cast iron and carbon steel[J].Wear,2012,274:84-93.(魏敏先,王树奇,崔向红.球墨铸铁与碳钢磨损特性的比较研究[J].摩擦学学报,2012,274:84-93.)
[14] Wang Shuqi,Wang Feng,Cui Xianghong,et al.Effect of secondary carbides on oxidation wear of the Cr-Mo-V cast steels[J].Materials Letters,2008,62:279-281.(王树奇,王峰,崔向红,等.二次碳化物对Cr-Mo-V铸钢氧化磨损的影响[J].材料学报,2008,62:279-281.)
[15] Wei Minxian,Wang Shuqi,Cui Xianghong.Comparative research on the elevated-temperature wear resistance of a cast hot-working die steel[J].Materials & Design,2009,30:3608-3614.(魏敏先,王树奇,崔向红.铸造热作模具钢高温耐磨性的对比研究[J].材料与设计,2009,30:3608-3614.)
[2] Shaharam Kheirandish,Ahmad Noorian.Effect of niobium on microstructure of cast AISI H13 hot work tool steel[J].J.Iron and Steel Research,2008,15(4):61-66.(Shahram Kheirandish,Ahmad Noorian.铌对铸造AISI H13热作模具钢组织的影响[J].钢铁研究,2008,15(4):61-66.)
[3] Wang Meng,Liu Zongde,Bao Zhijian.Study on failure mechanism of H13 steel hot-forging dies for automobile[J].Forging & Stamping Technology,2008,33(4):83-86.(王孟,刘宗德,宝志坚.H13钢汽车热锻模具失效机理分析[J].锻压技术,2008,33(4):83-86.)
[4] Wang Yanfang,Li Li,Lu Qinglong,et al.Laser cladding Fe-based amorphous coating on stainless substrate[J].Chinese J.Lasers,2011,38(6):177-180.(王彦芳,栗荔,鲁青龙,等.不锈钢表面激光熔覆铁基非晶涂层研究[J].中国激光,2011,38(6):177-180.)
[5] Zhang Milan,Xing Shuming,Xiu Qiao,et al.Abnormal failure analysis of H13 punches in steel squeeze casting process[J].Journal of Iron and Steel Research,2008,15(3):47-51.(张米兰,邢淑明,修巧,等.钢挤压铸造H13冲头异常失效分析[J].钢铁研究,2008,15(3):47-51.)
[6] Liu Hongxi,Zeng Weihua,Zhang Xiaowei,et al.Microstructures and properties of multiple-pass laser cladding Ni-based coatings on stainless steel surface[J].Optics and Precision Engineering,2011,19(7):1515-1523.(刘宏喜,曾维华,张晓伟,等.不锈钢表面多道激光熔覆Ni基涂层的组织与性能[J].光学精密工程,2011,19(7):1515-1523.)
[7] Niu Wei,Sun Ronglu.Effect of h-BN content on microstructure and wear properties of laser cladding self-lubricating coatings[J].China Laser,2011,38(8):121-127.(牛伟,孙荣禄.h-BN含量对激光熔覆自润滑涂层微观组织和磨损性能的影响[J].中国激光,2011,38(8):121-127.)
[8] Xu Binshi,Zhu Zixin,Ma Shining,et al.Sliding wear behavior of Fe-Al and Fe-Al/WC coatings prepared by high velocity arc spraying[J].Wear,2004,257(11):1089-1095.(徐滨士,朱子新,马世宁,等.高速电弧喷涂Fe-Al和Fe-Al/WC涂层的滑动磨损行为[J].摩擦学学报,2004,257(11):1089-1095.)
[9] Mohanty M,Smith R W,De Bonte M,et al.Sliding wear behavior of thermally sprayed 75/25 Cr3C2/NiCr wear resistant coatings[J].Wear,1996,198(1-2):251-266.(Mohanty M,Smith R W,De Bonte M,et al.热喷涂75/25 Cr3C2/NiCr耐磨涂层的滑动磨损行为[J].摩擦学学报,1996,198(1-2):251-266.)
[10] Huang S W,Samandi M,Brandt M.Abrasive wear performance and microstructure of laser clad WC/Ni layers[J].Wear,2004,256(11):1095-1105.(Huang S W,Samandi M,Brandt M.激光熔覆WC/Ni层的磨料磨损性能和微观结构[J].磨擦学学报,2004,256(11):1095-1105.)
[11] Zhang Chunhua,Zhang Song,Zhang Ning.Microstructure and corrosion properties of laser cladding NiFeBSi-Si3N4 alloy on H13 steel surface[J].Metal Heat Treatment,2006,31(9):49-51.(张春华,张松,张宁.H13钢表面激光熔覆NiFeBSi-Si3N4合金的组织及腐蚀性能[J].金属热处理,2006,31(9):49-51.)
[12] Tong Xing,Dai Mingjiang,Zhang Zhihui.Thermal fatigue resistance of H13 steel treated by selective laser surface melting and CrNi alloy[J].Applied Surface Science,2013,271(8):373-380.(佟鑫,代明江,张志辉.选择性激光表面CrNi合金化H13钢的康热疲劳性能[J].应用表面科学,2013,271(8):373-380.)
[13] Wei Minxian,Wang Shuqi,Cui Xianghong.Comparative research on wear characteristics of spheroidal graphite cast iron and carbon steel[J].Wear,2012,274:84-93.(魏敏先,王树奇,崔向红.球墨铸铁与碳钢磨损特性的比较研究[J].摩擦学学报,2012,274:84-93.)
[14] Wang Shuqi,Wang Feng,Cui Xianghong,et al.Effect of secondary carbides on oxidation wear of the Cr-Mo-V cast steels[J].Materials Letters,2008,62:279-281.(王树奇,王峰,崔向红,等.二次碳化物对Cr-Mo-V铸钢氧化磨损的影响[J].材料学报,2008,62:279-281.)
[15] Wei Minxian,Wang Shuqi,Cui Xianghong.Comparative research on the elevated-temperature wear resistance of a cast hot-working die steel[J].Materials & Design,2009,30:3608-3614.(魏敏先,王树奇,崔向红.铸造热作模具钢高温耐磨性的对比研究[J].材料与设计,2009,30:3608-3614.)
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