钛及其合金的氢脆腐蚀

308Vol.30,No.820018LiaoningChemicalIndustryAugust,2001,(,116012):,,:;;:TQ050.91:A:10040935(2001)070345031,,,,,,,,,21863[1],[24]G,1949,TiI4;1954;19541955,;1970,,19721973,70,,3,,,,,;,,,(1),(2)(3),,4,882.5,882.5,1-:2001201205:(1975-),,,2010010-6,900010-61[5],,1//%/%30080.180.10.002300440.99,:D=D0exp(-QD/RT),,(),Qd2.8107kJ/g5.3107kJ/g;D,D,,,,1-H-HH+d,,,d,,d,d,,TiHx(x=1.531.99)5,:,,,:,,,,,,:,,Cottrell,,,,,8010010-6,,,[6]:(1),,,(2),,-,,(3),:,,;;,,,20%,,,,[7]64320018,,:;:,[8]Ti5Al2.5Sn3.5%NaClSCC,,50%(KIH1/2KIC),fctbccHE66.1,,,2020010-6,TiHx50010-6,9%,23%,,,,,C=C/n,(n,),n=1.52;n=2.53.5;n=22210-6Ti6Al4V8Ti8Al1Mo1V5Ti2Fe2Cr2Mo10Ti4Mo20Ti4Al3Mo1V26Ti6Al6Mo2Sn38Ti4Al1.5Mo5V30I.I.PHILLIPS[9],,,,010mA/cm2pH1.313.0,:,,,,,,6.2,,,,,,(80),300,,316,2%,,5.5MPa,316,3316,5.5MPa96h,,3/%()10-6/%()10-6044865.3170.55100010.2111.069822.202.0737.503.31056.20,2,,7,,743308:;2,;,,500900,,,,8,,,,,[1]..:,1988.253[2]GrunerR,etal.HydrogeninTitaniumTITANIUM80ScienceandTechnology1986.4:92571-92577[3]...1984,4(1):41-45[4]HardieD.EmbrittlementofTitaniumbyHotChlorideSolu2tions..1987.46-51[5]..:,1991.319-320[6]..:,1995.105[7]...1983,7(5):20[8]....1984,4(1):41-45[9]I.I.PHILLIPSetal.HydrideFormationduringCathodicPolar2izationofTi-.EffectofTemperatureandpHofSolutiononHydrideGrowthCorros.Sci.1974,14(9):533-542TheHydrogenEmbrittlementofTitaniumandItsAlloysGUOMin,PENGQiao(DalianUniversityofTechnologyDalian116012,China)Abstract:TitaniumisincidentaltoabsorbhydrogenanditshydrogencorrosionformishydrogenembrittlementwhichhascausedalmostallaccidentsinchemicalindustrieswhenweusedTitaniumasindustrialmaterial.TheembrittlementofTitaniumseriouslyaffectsitsbe2ingappliedwidelyandsafely.ThebehaviorsofhydrogeninTitanium,themechanismofhydrogenembrittlementanditsinfluencingfac2torsaredescribedinthispaper.Precautionarymeasuresarealsosummarized.Keywords:Titanium;HydrogenEmbrittlement;Corrosion(329)SynthesisofStyreneandMaleicAnhydride(SMA)andStudyofItsAppLiedPropertyCHENGJian2hu,WUQin,WANGXiao2jun(ChemicalEngineeringSchooL,SCUT,Guangzhou510641,China)Abstract:Therandomcopolymersofstyeneandmaleicanhyridesweresynthesizedbysolutioncompolymerization.surfacetensionsofcopolymersweremeasuredbyDUNolly.WhentheconcerntrationsoftheirNaoHSoLutionwereabout0.0003g/mL,thesurfacetensionsdecreasedto37.74mN/m.Copolymerswerehighefficientdispersingagentfordyes.Keywords:Watersolubledispersant;Surfacetension;Dispersedproperty84320018