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Ni3Al-Mo intermetallic compounds of high temperature corrosion and surface protection

Use of the problem must be solved before. Hang 5 capsule launched Ni ~ MY Ru child hand bag 95 ℃ heat loss 25h after the marriage yung soul eclipse-shaped cross section produced a 32 500 × 2 tensile test results of a wrap (matrix is NhA1-Mo, IC6 sets box) temperature of the sample No. (MPa) port m2 (M) 620 ℃ 93 blank l104861l0.6.2892 coating ll74880l5.4l5-699l coating 113l85813.515 ・ 3387'0 ℃ 96 blank blank 1040l2.625.094 l038l3.023.597 coating l00519 .6 l7.995 coating 104416.5I. 9 has been the trend so: l-Mo intermetallic compounds of the Taiwan High Temperature Corrosion and Surface Protection of 4. The mechanical properties of sputtered coatings NiCrA1Y practical test as a protective coating,[link widoczny dla zalogowanych], in addition should have sufficient corrosion resistance to oxidation and thermal performance, there should have sufficient mechanical properties, in order to meet actual needs. To this end, we impose NiCrAIY coated and uncoated alloy IC6 a durable, stretch, etc. The experimental results shown in Table 1,2. As can be seen from the table, sputtering NiCrAIY coating mechanical properties of the substrate without damage to the basic three Conclusion According to our experimental results can be found, for the play excellent high temperature properties of IC6 alloy, the surface need to improve their chemical stability,[link widoczny dla zalogowanych], It is also necessary to have Taijin application performance. Improve the material's resistance to high temperature corrosion is generally imposed by surface alloying and other means to achieve the protective coating. Of IC6 alloy, the way may still be on the surface of protective coating applied. We have carried out from a variety of surface protective coating results shows that both sputtering NiCrAIY type coating provides better corrosion resistance to oxidation and thermal performance,[link widoczny dla zalogowanych], while the fork has good mechanical properties, almost no damage to the base material properties, is a practical outlook on the surface protective coating. References [1] H maggot YF, \: 2875r3] G blood in sacrifice be】 JA,[link widoczny dla zalogowanych], delete tFS.,, l970-1:] 943InvestigationOHHighTemperatureCorrosionandProtectionofNi3ALMoInterme'tallieCompound (receivedJan.23, 1995revisedMar_7) zenBChaoIJu, WangFuhui, Ye (nBjiang, LouHanyi, WuWeitao (StateKeyLaboratoryofCorrosionandProtection, InstituteofCorrosionandProtectionofMetals, AcademiaSinica, Shenyangl10015) HanYafang ,[link widoczny dla zalogowanych], LiSunhua (InstituteofAeronauticalMaterials, Beijingll0015) A ~ mtraet'OxidationandhotcorrosionbelmvioursofIt6alloywerestudied. Surfaceprotectionwasdiscussed ・ fortheengineering8ppUca at Qnsofthealloy.ThesputteredNiCrA1YcoatingmaygreatlyimprovetheoxidationresistanceandhotcorrosionresistanceofIC6alloybytheformationofaprotectiveAlzOsscalewithHttleeffectsonmechanicalproperties0fIC6alloy.Keywords: IC6alloy, Oxidation, Hotcorrosion, NiCrA1Ycoating33-

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