炮钢表面的抗高温氧化性能研究
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摘要
为了研究炮钢表面抗高温氧化性能,针对某型火炮身管材料PCr Ni3Mo钢进行了500,600,700℃、10 h恒温氧化试验,考察了其氧化动力学性能,利用纳米压痕仪测试了炮钢在不同氧化温度下的硬度与弹性模量,采用激光共聚焦显微镜、扫描电子显微镜(SEM)和X射线衍射仪(XRD)测试分析了不同氧化温度下的表面形貌和物相组成。结果表明:炮钢在空气中500℃氧化10 h后表面形成Fe_3O_4和Fe_2O_32种氧化物,600,700℃氧化10 h后表面形成Fe O、Fe_3O_4和Fe_2O_33种氧化物,其中700℃时表面氧化膜出现大量分层和剥落。
In order to study the high temperature oxidation resistance of gun-steel surface,thermostatic oxidation experiment of PCr Ni3Mo steel was studied at 500℃,600℃and 700℃for 10 hours.The kinetic properties of oxidation were studied.The hardness and elastic modulus of gun steel at different oxidation temperatures were analyzed by nanoindentation test.The surface morphology and phase composition at different oxidation temperatures were analyzed by laser scanning confocal microscope,scanning electron microscopy(SEM)and X-ray diffractometer(XRD).Results showed that Fe_3O_4and Fe_2O_3formed on the surface after oxidation at 500℃for 10 hours in air.After oxidation at 600℃and 700℃for 10 hours,Fe O,Fe_3O_4and Fe_2O_3formed on the surface.Besides,the oxide film delaminated a lot and peeled off at 700℃.
In order to study the high temperature oxidation resistance of gun-steel surface,thermostatic oxidation experiment of PCr Ni3Mo steel was studied at 500℃,600℃and 700℃for 10 hours.The kinetic properties of oxidation were studied.The hardness and elastic modulus of gun steel at different oxidation temperatures were analyzed by nanoindentation test.The surface morphology and phase composition at different oxidation temperatures were analyzed by laser scanning confocal microscope,scanning electron microscopy(SEM)and X-ray diffractometer(XRD).Results showed that Fe_3O_4and Fe_2O_3formed on the surface after oxidation at 500℃for 10 hours in air.After oxidation at 600℃and 700℃for 10 hours,Fe O,Fe_3O_4and Fe_2O_3formed on the surface.Besides,the oxide film delaminated a lot and peeled off at 700℃.
引文
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[2]张振山,吴永峰.炮管内膛烧蚀磨损现象的分析[J].装甲兵工程学院学报,2003,17(2):67-70.
[3]UNDERWOOD J H,TROIANO E.Critical fracture processes in army cannons:A review[J].Journal of Pressure Vessel Technology,2003,125(3):287-292.
[4]UNDERWOOD J H,VIGILANTE G N,MULLIGAN C P,et al.Thermomechanically Controlled Erosion in Army Cannons:A Review[J].Journal of Pressure Vessel Technology,2006,128(2):168-172.
[5]张振山,吴永峰.炮管内膛烧蚀磨损现象的分析[J].装甲兵工程学院学报,2003,17(2):67-70.
[6]WARRENDER J M,MULLIGAN C P,UNDERWOOD J H.Analysis of thermo-mechanical cracking in refractory coatings using variable pulse-duration laser pulse heating[J].Wear,2007,263(7/12):1 540-1 544.
[7]于子平.火炮身管内表面激光强化处理技术研究[J].弹道学报,2001,13(3):52-57.
[8]王茹,安世民.激光处理不镀铬枪身管提高抗烧蚀寿命的研究[J].大连理工大学学报,1997,37(2):222-226.
[9]陈永才,宋遒志,王建中.国内外火炮身管延寿技术研究进展[J].兵工学报,2006,27(2):330-334.
[10]王心悦,王福会,辛丽,等.纳米化对M951合金高温氧化性能的影响[J].中国表面工程,2013,26(3):31-39.
[11]王倩.Ti Al Si YN涂层对钛合金高温氧化腐蚀和理学性能的影响[D].沈阳:东北大学,2012:18-19.
[12]李美栓.金属的高温腐蚀[M].北京:冶金工业出版社,2001:131-153.
[13]李铁藩.金属高温氧化和热腐蚀[M].北京:化学工业出版社,2003:30-32.
[14]梁英教.无机物热力学数据手册[M].沈阳:东北大学出版社,1993:449-486.