| Effect of Primary Factor on Cavitation Resistance of Some Austenitic Metals |
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| 引用本文： | WANG Zai you,ZHU Jin hua (Xi′an Jiaotong University,Xi′an 710049,China). Effect of Primary Factor on Cavitation Resistance of Some Austenitic Metals[J]. 钢铁研究学报(英文版), 2003, 10(3) |
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| 作者姓名： | WANG Zai you ZHU Jin hua (Xi′an Jiaotong University Xi′an 710049 China) |
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| 作者单位： | Xi′an Jiaotong University，Xi′an 710049，China |
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| 基金项目： | ItemSponsoredbyNationalNaturalScienceFoundationofChina (59831 0 30 )，NationalKeyFundamentalBasicResearchPro gramofChina (G1 9990 650 ) |
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| 摘 要： | Thecavitationerosionisasolidsurfacedamageattributedtomechanicaleffectsofmicro jet′sshock ingloadingresultedfrom gaseousand orvaporouscavityimplosion .Cavitationdamageisaseriousprobleminhydraulicmachines ,resultinginlossesofefficiencyandreductionofpower .Soapplicationofmorecavitationerosionresistantmaterialsisveryim portantto preventorreducecavitationdamage .Manymetalsandalloyshavebeenresearchedundercavitationerosionconditions[1-12 ] .Thecrystalstruc ture ,martensitictransformation ,workharden…
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Effect of Primary Factor on Cavitation Resistance of Some Austenitic Metals |
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| WANG Zai-you,ZHU Jin-hua. Effect of Primary Factor on Cavitation Resistance of Some Austenitic Metals[J]. Journal of Iron and Steel Research, 2003, 10(3) |
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| Authors: | WANG Zai-you ZHU Jin-hua |
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| Abstract: | The cavitation resistance of six kinds of austenitic metals was investigated using a rotating disc rig. The research results show that cavitation resistance of the austenitic metals is obviously raised due to cavitation induced martensite and greatly influenced by mechanism of martensitic transformation. The cavitation resistance of two stress induced martensite Fe Mn Si Cr shape memory alloys is much better than that of three strain induced martensite austenitic stainless steels. The Fe Mn Si Cr shape memory alloys possess excellent cavitation resistance mainly because of their excellent elasticity in local small zone. The first principal factor for cavitation resistance of metastable austenitic metals is unloaded rebounding depth, and the second one is energy dissipation resulted from cavitation induced martensite. |
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| Keywords: | cavitation resistance cavitation induced martensite Fe Mn Si Cr shape memory alloy austenitic stainless steel elasticity |
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