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《工业纯钛高温拉伸断裂极限.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、39ज11௹Vol畅39No畅112014୍11ᄅHEATTREATMENTOFMETALSNovember2014工业纯钛高温拉伸断裂极限1,21,21,21,23周铁柱,苏娟华,任凤章,魏世忠,陈志强(1.河南科技大学材料学院,河南洛阳471023;2.有色金属共性技术河南省协同创新中心,河南洛阳471023;3.中国船舶重工集团公司第七二五研究所,河南洛阳471023)摘要:ঘഥ؎ਚࠞཋᆴ൞ყҩਬࡱۚ໑ਚ໕ᇶေ၇ऌ。ູਔ࣮۽ြՂᄝۚ໑ঘഥ༯؎ਚࠞཋ,ҐႨંଆބ൫ဒཌྷࢲކٚم,๙ݖGFL(Gleeblefracturelimit)൫ဒҩ۽
2、ြՂᄝ҂໑༯ᆇႋ৯-ႋэ౷ཌ,ѩ০Ⴈᆇႋ৯-ႋэ౷ཌ۽ြՂ໑。ཙ႕նࢠႵᆴཋࠞਚ؎ؓੱэႋބ໑,ૼіݔࢲ。ཙ႕ᆴཋࠞਚ؎ؓੱэႋބ໑ਔ༅ٳ,ᆴཋࠞਚ؎ശ-1؎,℃1000ۚശ℃800Ֆ໑ሢෛ༯s1.0ູੱэႋᄝ,ࡆᄹཋࠞਚ؎ۚਚࠞཋᆴՖ1.798ᄹࡆ2.343;ᄝ900℃ཌྷ໑-1-1༯,ෛሢႋэੱՖ0.01sิۚ1s,؎ਚࠞཋᆴՖ2.496ࢆ1.745。关键词:۽ြՂ;ۚ໑;؎ਚࠞཋᆴ;Gleeble؎ਚࠞཋ൫ဒ中图分类号:TG319文献标志码:A文章编号:0254-6051(2014)11-0038-03Tensilefrac
3、turelimitofcommercialpuretitaniumathightemperature1,21,21,21,23ZhouTiezhu,SuJuanhua,RenFengzhang,WeiShizhong,ChenZhiqiang(1.SchoolofMaterialsScienceandEngineering,HenanUniversityofScienceandTechnology,LuoyangHenan471003,China;2.HenanCollaborativeInnovationCenterofNon-ferrousMet
4、alGenericTechnology,LuoyangHenan471023,China;3.LuoyangShipMaterialResearchInstitute,LuoyangHenan471003,China)Abstract:Tensilefracturelimitisthemainindexofhightemperaturecrackpredictionduringindustrialprocessing.Acombiningmethodoftheorymodelandexperimentprocessingwasadoptedtostu
5、dythetensilefracturelimitofcommercialpuretitanium(CP-Ti)athightemperature.BymeansofGFL(Gleeblefracturelimit)test,thetruestress-straincurvewasobtainedandthefracturelimitswerefiguredout.Theeffectofstrainrateandtemperatureonthefracturelimitwasanalyzed.Theresultsshowthatthestrainra
6、teandtemperaturehavesignificantinfluencesonthefracturelimit.Thefracturelimitalwaysincreaseswiththetemperatureincreasing,underthestrainrateof-10.1s,thefracturelimitincreasesfrom1.798to2.343whenthetemperatureraisesfrom800℃to1000℃.Underthetemperatureof-1-1900℃,thefracturelimitdecr
7、easesfrom2.496to1.745whenthestrainrateincreasesfrom0.01sto1s.Keywords:commercialpuretitanium(CP-Ti);hightemperature;fracturelimitvalue;Gleeblefracturelimit(GFL)testᄝࢳѴളӁݚ、ᇂልݚў、Сഡ۽߄ႿႨܼٗ,ਘҋၼູቔݎඋࣁࡼ൞,ᇏၜ۽ඣ֎߄ል[2]࣏ࠞᄝූࢳ၁ᇏ,ሰ҂؎৵࿃Ӧࠒᄝၼࠞᇂބࡳ๘ਬࡱ,൞ݓն৯ᅚҋᆭ၂。ᄝ[1]ݎі૫,Ф৵࿃ЉྙӮѴ。ࢳᇅᄯѴಣࡆݖ
8、۽ӱᇏਚ໕ഄԛགྷສສ҂ॖх૧,ധೆၼࠞݎ൞ࢳѴᆭଛ。ၼࠞݎ൞ࢳѴളӁ࣮ఃਚ໕ྙӮჰၹؓളӁൌ
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