In this paper,the tensile testing method at the intermediate strain rate is established and tensile tests of steel sheets for an auto-body have been performed to evaluate dynamic material properties.A high speed tensile testing machine has been developed for tensile tests at the intermediate strain rate.A simple jig fixture for gripping a specimen has been designed to diminish the load (PDF) Dynamic Tensile Behavior of Steel HRB500E The aim of the present study was to investigate the dynamic tensile behavior of HRB500E steel and to obtain the rate-dependent constitutive model.An electromechanical universal testing machine(PDF) Dynamic tensile behavior of materials with previous For example,steel specimens were sub- fatigue damage on the dynamic tensile behavior of samples made of jected to 111,750 cycles of loading between min = 146 MPa and 6061-T6 aluminum alloy and AISI 4140T steel by using the split Hop- max = 731 MPa to generate a fatigue damage D = 0.25.
is a function of the steel specification,grade and batch composition.4.At severe tensile strain demand,reinforcement begins to neck and strength is reduced.5.At a maximum strain demand,the steel reinforcement fractures and load capacity is lost.This monotonic steel response may be defined by a few material parameters as iden-tified in Characterization of applied tensile stress using domain macro magnetic responses.The above researches of DW dynamic behavior are conned in the discussion of qualitative analysis.However,the quantitative analyses are essential for stress mea-surement.Qiu et al. and Gao et al. employed DW motion velocity feature to evaluate the tensile stress in electrical steel.
Jan 31,2018·Dynamic strain aging (DSA) and rapid work hardening are typical behaviors observed in medium-Mn transformation-induced plasticity (TRIP) steel.Three alloys with manganese ranging from 10.2 to 13.8 wt pct with calculated room temperature stacking fault energies varying from 2.1 to 0.7 mJ/m2 were investigated.Significant serrations were observed in the stress-strain behavior for two ofCited by 6Publish Year 2020Author Xiang Zeng,Jingsi Huo,Haitao Wang,Zhan Wang,Mohamed ElchalakaniDynamic Behaviour of Reinforcing Steel Bars in Tension In this study,quasi-static tensile tests of high-strength steel rebars,after exposure to 20°C1,300°C,and dynamic tensile tests at a strain rate of up to 0.25 s1,after exposure to 20°C Cited by 6Publish Year 2020Author Xiang Zeng,Jingsi Huo,Haitao Wang,Zhan Wang,Mohamed ElchalakaniDynamic Tensile Behavior of Steel HRB500E Reinforcing Bar Jan 02,2020·The aim of the present study was to investigate the dynamic tensile behavior of HRB500E steel and to obtain the rate-dependent constitutive model.An electromechanical universal testing machine and a servo-hydraulic high-speed testing machine were used to conduct dynamic tensile tests on HRB500E reinforcing bars.
materials Article Dynamic Tensile Behavior of Steel HRB500E Reinforcing Bar at Low,Medium,and High Strain Rates Xiang Zeng 1,* ,Jingsi Huo 2,Haitao Wang 3,4,Zhan Wang 1 and Mohamed Dynamic Behaviour of a High-Strength Structural Steel at Jun 24,2019·Dynamic tensile tests using the same specimen geometries as in the quasi-static tests were conducted in a split Hopkinson tension bar (SHTB) at + 20 °C and 40 °C.The experimental set-up [ 20 ],schematically illustrated in Fig.4 a,was composed of an input bar (AC) and an output bar (DE),both made of steel quality Tibnor 52SiCrNi5.Dynamic Tensile Behavior of Steel HRB500E Reinforcing Bar In this paper,dynamic tensile tests of HRB500E steel were conducted using an electromechanical universal testing machine and a servo-hydraulic high-speed testing machine.The stressstrain curves at strain rates ranging from 0.00025 to 550 s1 were obtained where HRB500E steel was found significantly sensitive to strain rate.
The strain rate effect of engineering materials should be considered in the assessment of the performance of reinforced concrete (RC) structures under extreme dynamic loads such as blast and impact.However,the strain rate behavior of 500 MPa-grade anti-earthquake hot-rolled high-strength ribbed bar (HRB500E),used in critical RC members to improve the anti-earthquake performance,hasDynamic Tensile and Compressive Behaviors of Mild Steel at The purpose of the present paper is to investigate the mechanical behavior of mild steel at quasi-static (0.001s-1) and different rates of dynamic tensile (5-750s-1) and compressive (125-2,350s-1 Dynamic tensile behavior of novel quenchingDynamic tensile behavior of novel quenching-partitioning-tempering martensitic steel Qingguo Haoa,b,Shengwei Qinb,Yu Liub,Xunwei Zuob,Nailu Chenb and Yonghua Rongb aShanghai Research Institute of Materials,Shanghai,P.R.China; bSchool of Materials Science and Engineering,Shanghai Jiao Tong University,Shanghai,P.R.China ABSTRACT AFe0.20C1.49Mn1.52Si0.58Cr0.05Nb low-carbon
Tensile test - Measures the response of a material to a slowly applied uniaxial force.The yield strength,tensile strength,modulus of elasticity,and ductility are obtained.True strain - The actual strain produced when a load is applied to a material.True stress - The load divided by the actual area at that load in a tensileExperimental investigation on mechanical behaviors of Sep 24,2020·In the present study,the stressstrain relationships of Q345B steel with the coupling effect of temperature and strain rate were primarily investigated.First,the quasi-static tensile test and dynamic impact compression test were performed using the 810 material test system and the split Hopkinson pressure bar device,respectively,at temperatures ranging from 25 to 700 °C and the strain High Temperature Plastic Instability and Dynamic Strain High Temperature Plastic Instability and Dynamic Strain Aging in the Tensile Behavior of AISI 316 Stainless 507 Steel and DSA.Concurrent occurrence of DSA and thermal recovery determine the cyclic stress response at longer hold periods.Another relevant work on the possible simultaneous occurrence of martensitic transformation and DSA at 15°C
In this study,quasi-static tensile tests of high-strength steel rebars,after exposure to 20°C1,300°C,and dynamic tensile tests at a strain rate of up to 0.25 s1,after exposure to 20°C Influence of Strain and Stress Triaxiality on the Fracture AbstractIntroductionExperimental Materials and ProceduresResults and DiscussionConclusionsData AvailabilityAuthors ContributionsAcknowledgmentsTo better understand cavitation nucleation and crack initiation in 35CrMo steel during high-temperature tensile processing and the effect of stress triaxiality on its fracture behaviors,uniaxial and notch high-temperature tensile tests were performed.The microstructure,fracture morphology,fracture strain,and stress triaxiality of the tested 35CrMo steel were then characterized and discussed.The results showed that crack formation in 35CrMo steel included stages of nucleation,growth,and microcavity aggregatioSee more on hindawiHigh Strain Rate Tensile Behavior of Steel Alloy 7075 ·In contrast,Al-added TWIP steel prevents a DSA fluctuation behavior owing to the increased stacking fault energy preventing partial twinning from forming.4.High-Mn TWIP steel has a larger tensile residual stress than Al-added TWIP steel and tensile residual stress concentrated at the edge side of the deep drawn specimen.Journal of Constructional Steel Research Vol 168,May Read the latest articles of Journal of Constructional Steel Research at ScienceDirect,Elseviers leading platform of peer-reviewed scholarly literature Download PDF; select article Mechanical-property tests on assembled-type light steel modular house. select article Dynamic tensile behavior of S690 high-strength structural steel
Support.Find support for a specific problem in the support section of our website.Get SupportMaterials Free Full-Text Influence of Recycled High Dynamic Tensile Behavior of Steel HRB500E Reinforcing Bar at Low,Medium,and High Strain Rates Next Article in Special Issue Effect of High Temperatures on the Impact Strength of Concrete Based on Recycled Aggregate Made of Heat-Resistant CulletModal Analysis of a Servo-Hydraulic High Speed MachineThe failure behavior of each material was studied by examining high speed digital camera images of specimens during the test.The validity of the dynamic tensile tests was investigated by examining the condition of dynamic stress equilibriuma criterion used in split Hopkinson pressure bar (SHPB) tests.
·This paper presents a comparison between mechanical compressive and tensile properties of S355 structural (mild) steel in a wide range of strain rates.A split Hopkinson pressure bar apparatus is used to investigate the dynamic compressive behaviour at high strain rates (7405880 s1).A hydro-pneumatic machine (525 s1) and a modified split Hopkinson tensile bar apparatusPROCEDURE FOR FSEL TENSILE TESTING OFTesting of Steel Products (Ref 7.1) and ASTM A615-16 Standard Specification for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement (Ref.7.2).Appendix 9 to ASTM A370 specifically addresses tensile testing or reinforcing bars.The procedure below uses the MTS C64.206 test machine along with a pre-programmed test procedure.Rate-dependent constitutive models of S690 high-strength Abstract The demand of applying high-strength structural steel (HSSS) in engineering practice is progressively increasing,while insufficient research achievements of HSSS restrict its applications,especially for those under dynamic loadings.Therefore,to meet the increasingly demand of studies for HSSS at high strain rates,a grade of HSSS,S690 was experimentally investigated by quasi
Abstract This paper presents the strain rate behaviour in tension of the S355 structural steel using a modified Split Hopkinson Tensile Bar for the mechanical characterisation at high strain rates (300 s - 1 ,500 s - 1 and 850 s - 1 ),and a Hydro Pneumatic Machine for intermediate strain rates (5 s - 1 and 25 s - 1 ).These data are collected with the intention of setting down the basis for The dynamic tensile behavior of tough,ultrahigh-strength The present study examines the strain-rate sensitivity of four high-strength,high-toughness steels at strain-rates ranging from 0.0002 s 1 to 200 s 1 AerMet 100,modified 4340,modified HP9-4-20,and a recently developed Eglin AFB steel alloy,ES-1c.A newly developed dynamic servohydraulic method was employed to perform tensile tests over this entire range from quasi-static to near