| Mechanical properties and microstructure of Fe-Al/Al_2O_3 composite with Cr,Mo and Ti |
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| 作者姓名： | 李爱民 孙康宁 毕见强 尹衍升 张玉军 |
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| 作者单位： | Key Laboratory for Liquid Structure and Heredity of Materials，Key Laboratory for Liquid Structure and Heredity of Materials，Key Laboratory for Liquid Structure and Heredity of Materials，Key Laboratory for Liquid Structure and Heredity of Materials，Key Laboratory for Liquid Structure and Heredity of Materials Ministry of Education China，Shandong University，Ji′nan 250061，China，Ministry of Education China，Shandong University，Ji′nan 250061，China，Ministry of Education China，Shandong University，Ji′nan 250061，China，Ministry of Education China，Shandong University，Ji′nan 250061，China，Ministry of Education China，Shandong University，Ji′nan 250061，China |
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| 基金项目： | Project(13 0 170 2 69)supportedbytheNationalNaturalScienceFoundationofChinaandproject(99F0 1,Z99F0 2 )supportedbytheNationalNaturalScienceFoundationofShandongprovince,China |
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| 摘 要： | 1 INTRODUCTIONTheFe Alintermetalliccompoundhasaseriesofmerits1,2 ] ,suchashighstrength ,lowdensity ,goodwearablityandlowcosts ,andithasbeenusedinsomefields .Butitshightemperaturestrengthislow er.Al2 O3ceramicsisoneofthestructuralmaterialswithwideapplication ,butboththehigherbrittlenessandlowertoughnesslimiteditsapplicationfields .Inordertogetonematerialwithbothhighstrengthandhightoughness,onenovelFe Al/Al2 O3compositewasfabricatedbytheauthors3] .Ithasverywideap plicationprospectfori…
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Mechanical properties and microstructure of Fe-Al/Al2O3 composite with Cr, Mo and Ti |
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| LI Ai min,SUN Kang ning,BI Jian qiang,YIN Yan sheng,ZHANG Yu jun.Mechanical properties and microstructure of Fe-Al/Al_2O_3 composite with Cr,Mo and Ti[J].Transactions of Nonferrous Metals Society of China,2003,13(4). |
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| Authors: | LI Ai min SUN Kang ning BI Jian qiang YIN Yan sheng ZHANG Yu jun |
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| Abstract: | When Cr, Mo and Ti were added to Fe-Al/Al2O3 composite, the bending strength and fracture toughness of the composite were increased sharply. The highest value of bending strength can exceed 600 MPa and the average value of fracture toughness exceed 12 MPa*m1/2. With increasing content of Mo and Ti, the bending strength and fracture toughness both express the trend of increasing first and then decreasing. When the alloying elements were added to the composites the alloying extent is improved. The fracture mode of the composites are mainly transcrystalline. |
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| Keywords: | Fe Al intermetallic Al 2O 3 composite alloying element |
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