作者:罗洪峰,翁绍捷,梁栋,袁成宇 (海南大学机电工程学院;华南理工大学机械与汽车工程学院)
出处:热加工工艺 2011
关键词:悬浮铸造;粉煤灰漂珠;颗粒增强铝基复合材料;组织
摘要:研究了悬浮铸造对粉煤灰漂珠颗粒增强铝基复合材料组织性能的影响。结果表明:加入与基体同种成分不同量的悬浮剂,复合材料(漂珠体积分数为5%)的硬度提高,但强度和塑性有所下降;当加热温度为800℃、加入量为3%时,硬度与耐磨性分别增加13.10%和20.10%,强度和伸长率则分别降低了23.80%和43. ...
被引情况:超星被引 5 次作者:罗洪峰,吴晶,陈维平 (华南理工大学机械与汽车工程学院;海南大学机电工程学院)
出处:材料导报 2010
关键词:铝液;腐蚀;材质;表面处理
摘要:耐铝液腐蚀材料的研究分为整体材料和表面处理材料两大类.整体材料有金属、金属间化合物、无机非金属及复合材料;表面处理包括化学热处理及表面涂层.分别阐述了整体材料及表面处理材料的优点、缺点及应用.总结了金属在铝液中的腐蚀机理以及涂层在铝液中的失效机理,并指出了耐铝液腐蚀材料的发展方向.
被引情况:超星被引 14 次作者:Lu, XL (Lu, Xilin);Chen, C (Chen, Cong);Chen, Y (Chen, Yun);Shan, JZ (Shan, Jiazeng) (;[ 1 ] Tongji Univ, State Key Lab Disaster Reduct Civil Engn, Shanghai 200092, Peoples R China [ 2 ] Hainan Univ, Sch Civil Engn, Hainan, Peoples R China)
出处:STRUCTURAL DESIGN OF TALL AND SPECIAL BUILDINGS 2016
关键词:replaceable device;coupling beam;seismic performance;high-rise building;combined hardening;reinforced concrete
摘要:An innovative structural component, replaceable coupling beam (RCB), was developed and used in reinforced concrete (RC) structures to enhance the stru ...
作者:Lu, K (Lu, Kai);Chen, MR (Chen, Mingrui) (;[ 1 ] Hainan Vocat Coll Polit Sci & Law Haikou, Technol Dept Publ Safety, Haikou, Peoples R China [ 2 ] Hainan Univ Haikou, Coll Informat Sci & Technol, Haikou, Peoples R China)
出处:PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON ELECTRONICS, MECHANICS, CULTURE AND MEDICINE 2016
关键词:Intelligent examination system;Three layer development;Silverlight;Algorithm of generating test paper;Performance analysis algorithm
摘要:Traditional examination by the teacher to choose, group, organization, after the examination, and then by the examination papers to correct, determine ...
作者:Lu, K (Lu, Kai);Chen, MR (Chen, Mingrui) (;[ 1 ] Hainan Vocat Coll Polit Sci & Law, Technol Dept Publ Safety, Haikou, Peoples R China [ 2 ] Hainan Univ, Coll Informat Sci & Technol, Haikou, Peoples R China)
出处:PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON ELECTRONICS, MECHANICS, CULTURE AND MEDICINE 2016
关键词:Data mining;C4.5 algorithm;Classification rules;Information gain rate;Decision tree
摘要:C4.5 algorithm is one of the ten classic algorithms of data mining, it is a series of algorithms used in machine learning and data mining. This paper ...
作者:Zhengwu Jiang,Hongfeng Luo,Zhujun Li (Guangzhou Institute of Railway Technology, Guangzhou 510430, P R China;School of Mechanical & Electrical Engineering, Hainan University, Haikou, 570228, P R China)
出处:2012化工、冶金和金属材料国际会议 2012
关键词:Suspension;casting;Fly-ash;Particle;reinforced;aluminum;matrix;composites;Microstructure;Properties
摘要:The effect of suspension casting on the properties of fly-ash particle reinforced aluminum matrix composites is studied in this paper.The result shows ...
作者:罗洪峰,符新,郭志忠,陈致水,梁栋,李粤
关键词:泡沫铝基复合材料;粉煤灰利用
摘要:该项目利用粉煤灰漂珠(其体积密度仅为0.40-0.60g/cm)作为增粘剂与增强颗粒,CaCO粉末作为发泡剂,将复合材料的制备与金属发泡技术相结合,通过熔体直接发泡法成功制备粉煤灰漂珠颗粒增强新型泡沫铝基复合材料,其孔隙率可达83%以上。在该基础上通过正交实验法确定了复合材料的最佳制备工艺参数为:发 ...
作者:Lu, Tengda ([ 1 ] Hainan Univ, Haikou 570228, Hainan, Peoples R China)
出处:2013 3RD INTERNATIONAL CONFERENCE ON SOCIAL SCIENCES AND SOCIETY (ICSSS 2013), PT 5 2013
关键词:Eggs;Storage;Surface;Microorganisms;Change
摘要:With the continuous improvement of people\'s living standards, the eggs as a major component of the human diet, more and more attention, regardless of ...
作者:史留勇,黄继华,王娟,罗洪峰 (海南大学机电工程学院;北京科技大学材料科学与工程学院)
出处:创新装备技术 给力地方经济——第三届全国地方机械工程学会学术年会暨海峡两岸机械科技论坛 2013
关键词:硬质合金;梯度;脱β层;制备;不含氮原料
摘要:采用不含氮的硬质合金原料,通过在梯度烧结工艺之前添加一步微压氮化烧结工艺制备脱β层梯度硬质合金;分别采用SEM、XRD及EDS等手段分析合金表层的组织结构、相组成及成分分布。结果表明:在添加微压(氮气分压为0.5 kPa)烧结工艺的情况下,在1420℃、1450℃、1480℃,1h的烧结工艺下制备了 ...
作者:林茂,符新,李粤,罗洪峰,陈致水 (海南大学机电工程学院)
出处:农业机械 2010
关键词:海南省;甘蔗收获;机械化;发展思路
摘要:阐述海南省甘蔗收获的发展现状,指出海南省甘蔗收获机械化过程中存在的突出问题,对收获技术、地形与农艺措施等问题的原因进行分析与探讨,提出海南省甘蔗收获机械化根本出路在于引进国内成熟的收获机型,结合本地甘蔗种植的实际情况,走先分段收获后联合收获的模式及糖厂与蔗农种植生产相结合模式等发展思路。
被引情况:超星被引 12 次