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Tensile Anisotropy of a Single Crystal Superalloy

The effect of stress,temperature and loading direction on

In the present work,we use a miniature test procedure to investigate the tensile creep behaviour of the single crystal superalloy ERBO1.We test precisely oriented [0 0 1],[1 1 0] and [1 1 1] creep specimens and determine the stress and the temperature dependence of characteristic creep rates in limited stress and temperature regimes,where the stress and temperature dependence of Tensile behavior of a new single-crystal nickel-based The creep anisotropy of the single crystal nickel base superalloy CMSX-4 in [001] and [111] direction has first been investigated by Caron and co-workers.Their results show that at 1,033 K under 750 MPa tensile load and a [gamma][prime] size of 340 nm,creep lives of [111] specimens are reduced as compared to [001] crystals.Tensile Fracture Characteristics of a Single Crystal Tensile fracture behavior of a single crystal nickel-based superalloy with different orientations and temperatures was studied.The tensile fracture surfaces and microstructure were analyzed by field emission scanning electron microscope (FE-SEM).The results showed that,generally,this single crystal nickel-based superalloy exhibited obvious tensile anisotropy.

Tensile Anisotropy of a Single Crystal Superalloy

Abstract.To investigate the orientation and temperature dependence of the tensile strength in single crystal superalloys,tensile tests were carried out on a single crystal nickel-based superalloy with three orientations of tensile axis [001],[011] and [111],in the temperature range from 20 to 1100 Tensile Anisotropy of a Single Crystal Superalloy#176;C.Some results are removed in response to a notice of local law requirement.For more information,please see here.12345NextEffect of HIPping on deformation anisotropy in a single Sep 01,2008 Tensile Anisotropy of a Single Crystal Superalloy#0183;The effect of HIPping on plastic anisotropy of a Ni-based superalloy was studied.The orientation dependence of tensile properties was evaluated experimentally at room temperature at a nominal strain rate of 10 3 s 1.The results indicate that HIPping eliminates the non-Schmid effect by increasing the strength of the 1 1 1 loaded samples.Previous123456NextTensile Fracture Characteristics of a Single Crystal Tensile fracture behavior of a single crystal nickel-based superalloy with different orientations and temperatures was studied.The tensile fracture surfaces and microstructure were analyzed by field emission scanning electron microscope (FE-SEM).The results showed that,generally,this single crystal nickel-based superalloy exhibited obvious tensile anisotropy.

Mechanical behavior of a DD5 single crystal superalloy

Mechanical behavior of a DD5 single crystal superalloy with different misorientations under quasi-static and dynamic compression - Volume 33 Issue 18 - Zhenpeng Liu,Hong Zhong,Yumin Wang,Shuangming Li,Hengzhi FuLow Cycle Fatigue of the Single-Crystal Nickel-Base Low cycle fatigue of the single-crystal nickel-base superalloy CMSX-4 was investigated in the temperature range 700950 Tensile Anisotropy of a Single Crystal Superalloy#176;C under strain controlled cyclic loading.The points of interest were the crystallographic anisotropy of low cycle fatigue behaviour andLow Cycle Fatigue of the Single-Crystal Nickel-Base Low cycle fatigue of the single-crystal nickel-base superalloy CMSX-4 was investigated in the temperature range 700950 Tensile Anisotropy of a Single Crystal Superalloy#176;C under strain controlled cyclic loading.The points of interest were the crystallographic anisotropy of low cycle fatigue behaviour and

Joint Development of a Fourth Generation Single Crystal

Keywords single crystal superalloy,alloy development,ruthenium,TCP,SRZ,creep rupture Abstract A new,fourth generation,single crystal superalloy has been jointly developed by GE Aircraft Engines,Pratt Whitney and NASA.The focus of the effort was to develop a turbine airfoil alloy with long-term durability for use in the High Speed CivilImages of Tensile Anisotropy of a Single Crystal Superalloy imagesTensile Anisotropy of a Single Crystal Superalloy Request PDF Tensile Anisotropy of a Single Crystal Superalloy To investigate the orientation and temperature dependence of the tensile strength in single crystal superalloys,tensile tests High Temperature Stress Rupture Anisotropy of a Ni-Based The creep anisotropy of the single crystal superalloy LEK 94 deformed in tension along [001] and [110] directions at 1293 K and 160 MPa was investigated.Elementary microstructural processes which are responsible for a higher increase in creep rates with strain during [110] as compared to [001] tensile loading were identified.

High Temperature Stress Rupture Anisotropy of a Ni-Based

The creep anisotropy of the single crystal superalloy LEK 94 deformed in tension along [001] and [110] directions at 1293 K and 160 MPa was investigated.Elementary microstructural processes which are responsible for a higher increase in creep rates with strain during [110] as compared to [001] tensile loading were identified.High Temperature Stress Rupture Anisotropy of a Ni-Based Oct 01,2016 Tensile Anisotropy of a Single Crystal Superalloy#0183;High temperature stress rupture anisotropies of a second generation Ni-base single crystal (SC) superalloy specimens with [001],[011] and [111] orientations under 900 Tensile Anisotropy of a Single Crystal Superalloy#176;C/445 MPa and 1100 Tensile Anisotropy of a Single Crystal Superalloy#176;C/100 MPa have been investigated in the present study,with attentions to the evolution of / microstructure observed by scanning electron microscopy and the dislocation configurationFretting Stresses in Single Crystal Superalloy Turbine Journals.All Journals; Mechanical Engineering Magazine Select Articles; Applied Mechanics Reviews; ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems,Part B Mechanical Engineering

Experimental Study on the Grinding Anisotropy of

In order to investigate the influence of nickel-based single crystal superalloy DD5 anisotropy on grinding force,the single factor experiment was carried out.First of all,the shear modulus G (001) and elastic modulus E (001) calculation formulas of nickel-based single crystalEffect of plastic anisotropy on tensile strength of single OSTI.GOV Journal Article Effect of plastic anisotropy on tensile strength of single crystals of an Ni-based superalloyEffect of notch orientation on the evolution of plasticity The effect of notch orientation on the evolution of slip bands in double-notched tensile samples of a single crystal superalloy loaded in a 001 orientation was experimentally investigated and compared to the results of a three-dimensional linear elastic anisotropic nite element analysis (FEA).

Effect of Skew Angle of Holes on the Thermal Fatigue

It is cycling with this local tensile stress and fracture of oxidation layer that drives the TF crack to initiate at the acute side of the 30 Tensile Anisotropy of a Single Crystal Superalloy#176; hole and then propagate.As for the Ni-based single crystal superalloy,the cracks propagate along the preferred orientation Tensile Anisotropy of a Single Crystal Superalloylt;110 Tensile Anisotropy of a Single Crystal Superalloygt; with the largest resolved shear stress.Development of a Single-Crystal Fifth-Generation Nickel The chemical and phase compositions of a rhenium-ruthenium-containing fifth-generation VZhM8 nickel superalloy,which is intended for single-crystal turbine blades of an aviation engine,are calculated using computer simulation.VZhM8 alloy Tensile Anisotropy of a Single Crystal Superalloylt;001 Tensile Anisotropy of a Single Crystal Superalloygt;, Tensile Anisotropy of a Single Crystal Superalloylt;011 Tensile Anisotropy of a Single Crystal Superalloygt;,and Tensile Anisotropy of a Single Crystal Superalloylt;111 Tensile Anisotropy of a Single Crystal Superalloygt; single crystals are fabricated.The microstructure,the /' misfit,the segregation coefficients of alloying elements,the Damagebased lowcycle fatigue lifetime prediction of Based on the physical phenomenon that the fatigue cracks initiate along specific slip plane,a slip plane damagebased lowcycle fatigue (LCF) lifetime model for the nickelbased singlecrystal super

Damagebased lowcycle fatigue lifetime prediction of

Based on the physical phenomenon that the fatigue cracks initiate along specific slip plane,a slip plane damagebased lowcycle fatigue (LCF) lifetime model for the nickelbased singlecrystal superCrystals Free Full-Text Processing,Microstructures Tensile properties of the Ni-based single crystal (SX) superalloy at different temperatures.( a ) Engineering stressstrain curves.( b ) Yield strength (YS) and ultimate tensile strength (UTS) of the tested alloy and other second-generation Ni-based SX superalloys.Creep and Stress Relaxation Anisotropy of a SingleCreep and Stress Relaxation Anisotropy of a Single-Crystal Superalloy MIKAEL SEGERSA Tensile Anisotropy of a Single Crystal Superalloy#168;LL,JOHAN J.MOVERARE,DANIEL LEIDERMARK,and KJELL SIMONSSON In this study,the TMF stress relaxation and creep behavior at 1023 K and 1223 K (750 C and 950 C) have been investigated for a Ni-based single-crystal superalloy.Specimens with three

Creep and Stress Relaxation Anisotropy of a Single-Crystal

In this study,the TMF stress relaxation and creep behavior at 1023 K and 1223 K (750 Tensile Anisotropy of a Single Crystal Superalloy#176;C and 950 Tensile Anisotropy of a Single Crystal Superalloy#176;C) have been investigated for a Ni-based single-crystal superalloy.Specimens with three different crystal orientations along their axes were tested; Tensile Anisotropy of a Single Crystal Superalloylt;001 Tensile Anisotropy of a Single Crystal Superalloygt;, Tensile Anisotropy of a Single Crystal Superalloylt;011 Tensile Anisotropy of a Single Crystal Superalloygt;,and Tensile Anisotropy of a Single Crystal Superalloylt;111 Tensile Anisotropy of a Single Crystal Superalloygt;,respectively.A highly anisotropic behavior during TMF stress relaxation was found where the lt;111gt; direction Creep and Stress Relaxation Anisotropy of a Single-Crystal 2014 (English) In Metallurgical and Materials Transactions.A,ISSN 1073-5623,E-ISSN 1543-1940,Vol.45,no 5,p.2532-2544 Article in journal (Refereed) Published Abstract [en] In this study,the TMF stress relaxation and creep behavior at 1023 K and 1223 K (750 Tensile Anisotropy of a Single Crystal Superalloy#176;C and 950 Tensile Anisotropy of a Single Crystal Superalloy#176;C) have been investigated for a Ni-based single-crystal superalloy.Cited by 8Publish Year 2008Author Fereshteh Ebrahimi,Eboni F.WestbrookeCreep and Stress Relaxation Anisotropy of a Single-Crystal In this study,the TMF stress relaxation and creep behavior at 1023 K and 1223 K (750 Tensile Anisotropy of a Single Crystal Superalloy#176;C and 950 Tensile Anisotropy of a Single Crystal Superalloy#176;C) have been investigated for a Ni-based single-crystal superalloy.Specimens with three different crystal orientations along their axes were tested; Tensile Anisotropy of a Single Crystal Superalloylt;001 Tensile Anisotropy of a Single Crystal Superalloygt;, Tensile Anisotropy of a Single Crystal Superalloylt;011 Tensile Anisotropy of a Single Crystal Superalloygt;,and Tensile Anisotropy of a Single Crystal Superalloylt;111 Tensile Anisotropy of a Single Crystal Superalloygt;,respectively.A highly anisotropic behavior during TMF stress relaxation was found where the lt;111gt; direction

Cited by 2Publish Year 2013Author LongFei Zhang,Ping Yan,MingHan Zhao,JunTao Li,JingChen Zhao,Qiang Zeng,FengKui HanTensile anisotropy of single crystal superalloy DD6

Tensile properties of Ni-base single crystal superalloy DD407 oriented in [001],[O11],[111] and near [001] were tested at 760 Tensile Anisotropy of a Single Crystal Superalloy#176;C after heat treatment.The results show significant tensile Cited by 10Publish Year 2016Author Guanglei Wang,Guanglei Wang,Jinlai Liu,Jide Liu,Tao Jin,Xiaofeng Sun,Xudong Sun,Zhuangqi Hu,Effect of HIPping on deformation anisotropy in a single Sep 01,2008 Tensile Anisotropy of a Single Crystal Superalloy#0183;The effect of HIPping on plastic anisotropy of a Ni-based superalloy was studied.The orientation dependence of tensile properties was evaluated experimentally at room temperature at a nominal strain rate of 10 3 s 1.The results indicate that HIPping eliminates the non-Schmid effect by increasing the strength of the 1 1 1 loaded samples.Anisotropic Creep of Single Crystal Superalloys SpringerLinkAbstract.Single crystal Ni-base superalloys are an integral feature of modern gas turbine engines.Their excellent high temperature tensile properties are a result of a number of factors including an absence of grain boundaries and a matrix which comprises a high volume fraction of cuboidal in a solid solution strengthened matrix.

ANISOTROPIC CONSTITUTIVE MODELING FOR NICKEL

Since single crystal alloys have no grain boundaries,use of the alloy has significant advantages for increased strength and longer life.The purpose of this paper is to report an anisotropic constitutive model developed based on crystallographic approach for Ni-base single crystal superalloy.ANISOTROPIC CONSTITUTIVE MODELING FOR NICKELSince single crystal alloys have no grain boundaries,use of the alloy has significant advantages for increased strength and longer life.The purpose of this paper is to report an anisotropic constitutive model developed based on crystallographic approach for Ni-base single crystal superalloy.A Low-Cost Second Generation Single CrystalA low-cost second generation single crystal (SC) superalloy,designated DD6,has been developed for aeroengine turbine blade applications.DD6 contains 2 wt.% rhenium,which is about 2/3 of that of the second generation single crystal superalloys such as PWA1484,CMSX-4 and Rene N5.The alloy system employs the

Creep Deformation Anisotropy in Single Crystal

Creep Deformation Anisotropy in Single Crystal Superalloys @inproceedings{Caron1988CreepDA,title={Creep Deformation Anisotropy in Single Crystal Superalloys},author={Pierre Caron and Yoshio Ohta and Yukiya G.Nakagawa and Tayyab Khan},year={1988} } Pierre Caron,Yoshio Ohta,+1 author Tayyab Khan; View PDF.

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