学科分类
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14 个结果
  • 简介:AnewtypeofDZ9000EOxygenGaseousHVOFsystem(GHVOF)isdevelopedwhichcanreducethecostofcoatingsandincreasethein-situremovabilitytoadaptvariousworkingconditions.Thewholesystemiseconomical,whichenablesthesystemtomeettherequirementofsprayingmediumorlowcostHighVelocityOxy-Fuel(HVOF)coatingsformediumandsmalljobshops.ThedepositedcermetscoatingsbytheDZ9000EsystemhavegoodperformancewithaveragemicrohardnessHV0.2ofmorethan1000andthebondstrengthbetweencoatingandsubstrateofgreaterthan50MPa.

  • 标签: 高速氧-燃料系统 DZ9000E WC-12CO 涂层
  • 简介:Basedonthemethodofartificialneuralnetwork,anewapproachhasbeendevisedtopredictthemechanicalpropertyofE4303electrode.Theoutlinedpredicationmodelfordeterminingthemechanicalpropertyofelectrodewasbuiltupontheproductiondata.Theresearchleveragesabackpropagationalgorithmastheneuralnetwork'slearningrule.Theresultindicatesthattherearepositivecorrelationsbetweenthepredictedresultsandthepracticalproductiondata.Hence,usingtheneuralnetwork,predicationofelectrodepropertycanberealized.Forthefirsttime,thisresearchprovidesamorescientificmethodfordesigningelectrode.

  • 标签: 人工神经网络 电极设计 性质预测 焊接自动化
  • 简介:瑞士科技创新领跑企业optrelAG,最新推出了一款动力空气净化呼吸器e3000,据了解它能提供最佳的防护和舒适性,保证焊接工作更高效。最高防护级别TH3P,保证最好的安全性。在炯雾、粉尘和气体的外部工作环境下,为了保证焊工的健康,必须配备高效的动力空气净化呼吸器。E3000呼吸器与optrele600专家版焊帽结合使用,町提供符合TH3P的最高级别防护,满足ENl294l指令要求(欧洲标准)。

  • 标签: 空气净化 呼吸器 瑞士 科技创新 欧洲标准 舒适性
  • 简介:Widegapbrazing(WGB)experimentsusingthebuttedspecimenwitha1.5mmgapwerecarriedoutfortherepairofthefailedK418Bsuperalloylow-pressureturbinevanes.Thehightemperaturecreeprupturestrengthsofthebrazedjointsweretested,andthemicrostructuresandfracturesurfacesofthejointswereobserved.TheresultsshowthatthemicrostructureofK418Balloyjointiscomposedofdenseequiaxedgrain,smallanddiscretecompoundswithafewmicro-pores.Duringthecreeprupturetest,thecracksinitiatepreferentiallyatthemicro-poreorthegrainboundary,thenpropagatealongthegrainboundarytillthefracturehappens.Thecreeprupturestrengthat700℃ofthebrazedjointswith50%brazemetalintheworkingpartcouldexceed90%thatoftheK418Bsuperalloy,andthejointswith100%brazemetalintheworkingpartachieve70%to80%ofthecreeprupturestrengthsfortheK418Bbasemetal.

  • 标签: 钎焊接头 组织性能 合金 蠕变断裂强度 大间隙钎焊 差距
  • 简介:ThermalbehaviorofB4Cparticlesunderplasmaarcpowdersurfacingcondition¥WANGXibao;ZHANGWenyue;LUTongliandPENGJie(HebeiUniversity...

  • 标签: B4C plasma ARC POWDER SURFACING thermal
  • 简介:这里,有焊花飞舞的灵动,有弧光铁水的神韵,有写满激情的乐章……您还犹豫什么?只待,用艺术的眼光欣赏焊接!用跳跃的心灵感受焊接!用灵巧的双手描摹焊接!生产中,只要定格美丽瞬间!生活中,只要挥毫泼墨!旅程里,只要有感而发!摄影、诗词、书法、绘画……"焊接艺苑",都为您留有一片自由发挥的"艺术天地"!

  • 标签: 焊接 产业基地 摄影 作品欣赏 技工学校 工作者
  • 简介:Duetothedisturbancesofspatters,dustsandstrongarclight,itisdifficulttodetectthemoltenpooledgeandtheweldlinelocationinCO2weldingprocesses.Themedianfilteringandself-multiplicationwasemployedtopreprocesstheimageoftheCO2weldinginordertodetecteffectivelytheedgeofmoltenpoolandthelocationofweldline.TheB-splinewaveletalgorithmhasbeeninvestigated,theinfluenceofdifferentscalesandthresholdsontheresultsoftheedgedetectionhavebeencomparedandanalyzed.TheexperimentalresultsshowthatbetterperformancetoextracttheedgeofthemoltenpoolandthelocationofweldlinecanbeobtainedbyusingtheB-splinewavelettransform.Theproposededgedetectionapproachcanbefurtherappliedtothecontrolofmoltendepthandtheseamtracking.

  • 标签: 二氧化碳焊接 熔池 B-齿槽小波 边缘检测
  • 简介:<正>摄影的魅力在于可以通过镜头,把摄影者所看到、感受到的世界呈现给别人,通过照片向别人讲述自己眼中的世界,并获得共鸣,让你瞬间感动。当弧光闪烁,焊花飞溅,美丽壮观的场景与摄影结

  • 标签: 摄影者 焊接 瞬间感动 作品欣赏 中国 世界