简介:The304stainlesssteelstripsweredepositedonelayeroncarbonsteelbasemetalbyelectroslagstripcladding(ESC)andsubmergedarccladding(SAC),respectively.ThesolidificationmicrostructureofESCmetalwasanalyzedbytheopticalmicroscopy,scanningelectronmicroscopeandenergydispersivespectroscopy.Thecorrosionresistancestudiesofstripcladdingmetalswerecarriedoutin10%oxalicacidelectrolyticetchingtest.TheresultsshowedthatthecladdingmetalobtainedbyESCpresentedlowcontentofC,highcontentofCrandenoughalloyingelementofNiinthechemicalcomposition.ThetransitionzoneofESCwithsmallwidthwasalmostparallelwiththebasemetal,leadingtoalowerdilution.Therearethreetypesofsolidificationmodes(A→AF→FA)occurredintheESCmetalduetothedecreaseofcoolingrateanddegreeofdilutionfromthetransitionzonetothetopofESCmetal.Asaresult,themicrostructureofESCmetalexhibitedmainlyaustenitewithasmallamountofferrite,contributingtoachievementofbettercorrosionresistance.
简介:剩余在SUS304不锈钢的墙中强调圆柱的绘画杯被裂口戒指测试评估,并且踩的影响死剩余压力上的参数被调查。裂口戒指测试的一个新理论模型被开发在一枚戒指评估剩余压力,它被验证由有ABAQUS代码并且由nanoindentation测试的数字模拟合理、可靠。七组裂口戒指测试被完成,并且剩余压力根据理论模型的意见是计算的。裂口戒指测试结果证明环绕的剩余在SUS304不锈钢的墙中强调圆柱的绘画杯很大并且没随着变化不同死角落半径。环绕的剩余压力首先随画punchdie清理的增加增加了,当清理增加了时,当时是几乎未改变的比空白的厚度大1?公里。因此,一个更小的清理被建议被选在拉杯的SUS304不锈钢的墙中减少剩余压力。
简介:WeinvestigatethenonlinearSchrdingerequationiut+△u+|u|p-1u=0with1+4/N
||Q||(1-sc)/sc|▽Q||2,theneitheru(t)blowsupinfiniteforwardtimeoru(t)existsgloballyforpositivetimeandthereexistsatimesequencetn→+∞suchthat||▽u(tn)||2→+∞.HereQisthegroundstatesolutionof—(1—sc)Q+△Q+|Q|p-1Q=0.Asimilarresultholdsfornegativetime.Thisextendtheresultofthe3DcubicSchr(o|¨)dingerequationobtainedbyHolmertothegeneralmass-supercriticalandenergy-subcriticalcase.