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Ni基高温自润滑涂层的显微结构及磨损性能
  • 期刊名称：稀有金属材料与工程(SCI期刊)，2010，39(1)，72-75.
  • 时间：0
  • 分类：TF12[冶金工程—粉末冶金;冶金工程—冶金物理化学]
  • 作者机构：[1]西安交通大学,陕西西安710049
  • 相关基金：基金项目：国家自然科学基金（50601019,50635060,50771077）~国家“973”项目（2007CB707705,2007CB707706）
  • 相关项目：快速烧结对HEM-PM304耐高温自润滑涂层性能的影响
关键词： 涂层, 高能球磨, 高频感应烧结, coating, high-energy ball milling, high-frequency induction sintering
中文摘要：

通过高能球磨、冷等静压及高频感应烧结在Ni基合金圆棒上成功制备HFIS304高温自润滑涂层。HFIS304成分（质量分数，下同）为NiCr（80／20）合金（60％），Cr2O3（20％），Ag（10％）和共晶BaFdCaF2（10％）。HFIS304涂层组织致密，3种润滑相尺寸细小。研究表明，在室温到600℃的范围内，HFIS304涂层的耐磨性优于PS304涂层。

英文摘要：

HFIS304 self-lubricating coating was prepared by high-energy ball milling, cold isostatic pressing and high-frequency induction sintering （HFIS） on a Ni-based superalloy rod, and its composition was NiCr （80/20） matrix （60wt%） combined with Cr2O3 （20wt%）, Ag （10wt%） and eutectic BaF2/CaF2 （10wt%） as solid self-lubricating additives. The microstructure of HFIS304 coating was dense, and three kinds of lubricating phases were fine. Research shows that wear resistance and friction coefficient of the HFIS304 coating are superior to that of the PS304 coating in the range from room temperature to 600℃ .

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快速烧结对HEM-PM304耐高温自润滑涂层性能的影响
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