Strength and ductility evaluation of coldwelded seams in

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Strength and ductility evaluation of cold-welded seams in …

WebFeb 15, 2015.Strength and ductility of cold-welded seams were directly probed using the Ring Hoop Tension Test. • The strain field inside the test-section is non-uniform. • The …

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Strength and ductility evaluation of cold-welded seams in …

WebStrength and ductility evaluation of cold-welded seams in aluminum tubes extruded through porthole dies @article{Dick2015StrengthAD, title={Strength and ductility …

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Strength and ductility evaluation of cold-welded seams in …

WebFeb 1, 2015.Download Citation | Strength and ductility evaluation of cold-welded seams in aluminum tubes extruded through porthole dies | The mechanical behavior (strength …

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Strength and ductility evaluation of cold-welded seams in …

WebThe mechanical behavior (strength and ductility) of the cold-welded seams that are inevitable in hollow profiles and tubes extruded through porthole dies are investigated …

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What is Cold Welding? (Advantages, Disadvantages and …

WebCold welding delivers a number of advantages over other welding procedures, including: 1. No HAZ Cold welding doesn’t create a heat affected zone (HAZ), which greatly reduces …

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10.1016/j.matdes.2014.11.013 | DeepDyve

WebJun 11, 2020.The cold-welded material then emerges from the die as a hollow section ( Fig. 1 ). From both the design and the manufacturing/formability point of view, the …

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Understanding Bend Tests - MCAA

Webclassifications are usually based on the minimum specified yield strengths. The actual yield strengths can be much higher than the specified minimums. Thus, the weld metal that …

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Sensitivity analysis on ram speed of a direct extrusion

WebChristopher P, Yannis P (2014) Strength and ductility evaluation of cold-welded seams in aluminum tubes extruded through porthole dies. Materials and design, USA …

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Christopher Dick - Sr. Mechanical Engineer - BAE Systems, …

WebFeb 15, 2015.The mechanical behavior (strength and ductility) of the cold-welded seams that are inevitable in hollow profiles and tubes extruded through porthole dies are …

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Investigation of local tensile strength and ductility properties …

WebDec 19, 2019.To improve productivity, the seam welds are often produced by multiple-wire automatic submerged-arc welding using a two-pass procedure where one pass is deposited from the inside and a second pass is made on the outside of the pipe. ... The effect of MA on strength, ductility and work hardening was a key aspect of this investigation, and a ...

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(PDF) Nondestructive classification of LF, HF, and HF …

WebFeb 18, 2019.The approach combines multiple nondestructive evaluation (NDE) techniques including a characterization of the macro-etched heat-affected-zone (HAZ) and assessment of hardness variation across the...

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Full article: Simultaneously enhanced strength and ductility …

WebOct 8, 2022.Therefore, how to simultaneously improve the yield strength and tensile ductility of the ultra-fined grains is still an urgent issue. The nano-laminated structure is widely accepted in metals and their composites for strength-ductility synergy, though they usually exhibit poor strain hardening [Citation 8, Citation 9]. From this point of view ...

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Ductility Assessment of an RC Section | SpringerLink

WebSep 22, 2020.In the present study, the curvature ductility, plastic rotation capacity, and overstrength factor of an RC column section are evaluated to assess analytically the variation in ductility and safety with a varying spacing of confining steel using ductility-based grades of confining steel having characteristic yield strength as 500 N/mm 2. The ...

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Ductility of Concrete‐Filled Steel Box Columns under Cyclic …

WebAug 20, 1992.Steel bridge piers under cyclic loading due to strong earthquake motion should be designed considering not only the strength but also the ductility capacity. Steel sections with concrete infill are being increasingly used as structural members, since filling the steel section with concrete results in an increase in both strength and ductility ...

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University of Texas at Austin

WebUniversity of Texas at Austin

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Strength and Ductility | SpringerLink

WebMar 30, 2017.So much for strength; let us now discuss ductility. Figure 11 attempts to show how ductility depends on gage length in 4 kinds of tests conducted on sheets of deep drawing grade steel. As in our discussion of strength, so for ductility it is necessary to define our terms. As said before, by ductility we mean the amount of deformation prior to ...

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Nondestructive Evaluation of Metal Strength, …

WebJul 19, 2019.Hardness, Strength, and Ductility (HSD) testing is a portable implementation of frictional sliding that provides a tensile stress-strain curve for assessment of the yield, ultimate tensile...

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Cyclic behavior and ductility evaluation of thin-walled …

Webprocedure for determining ultimate strength and ductility capacity of thin-walled steel tubular columns are presented. 3. Ultimate Strength and Ductility Evaluation Method The failure of a box steel column occurs when a displacement corresponding to the maximum strength ( m) or 95 percent strength after the peak ( 95) is reached.

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Curvature ductility prediction of reinforced …

Webcurvature ductility and the tensile reinforcement ratio. The following equation has been suggested: F G U P I, (3) in which F and G are regression constants, tabulated for different material strengths and reinforcement ratios. However, F and G are expressed for only four concrete strengths (21, 28, 35 and 41 MPa), two reinforcement

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Seismic performance of a new precast concrete frame joint …

WebApr 1, 2023.A new, precast concrete frame beam-column connection is designed in this research. The connection adopts the assembly mode of the precast column and seam area jointly to maintain the integrity of ...

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Full-scale experimental evaluation of flexural strength and ductility ...

WebSep 1, 2022.Full-scale experimental evaluation of flexural strength and ductility of reinforced concrete beams strengthened with various FRP mechanisms. Author ... the main achievement of this research is that hybrid type led to increase in the ductility and hardening than control beam. Previous article in issue; Next article in issue; Keywords. …

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Evaluation of Stiffness, Strength, and Ductility of Asphalt …

WebJan 1, 2017.Of these, researchers have used stiffness, strength, and ductility-based criteria to screen binders on the basis of inherent resistance to cracking. In this study, poker chip testing on thin films of asphalt binder was used at intermediate temperatures to obtain both stress and ductility-based properties of eight binders.

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Metals | Free Full-Text | Experimental and Numerical Analysis …

WebMay 7, 2022.This paper describes an experimental and numerical study of the hysteretic behavior of side-reinforced joints of a steel frame manufactured from Q345B steel and welded using an E5015 electrode. The objectives of this study were to observe the mechanical behavior of side-plate reinforced joints under cyclic loads; identify their …

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Investigation of local tensile strength and ductility properties …

WebDec 19, 2019.To improve productivity, the seam welds are often produced by multiple-wire automatic submerged-arc welding using a two-pass procedure where one pass is deposited from the inside and a second pass is made on the outside of the pipe. ... The effect of MA on strength, ductility and work hardening was a key aspect of this investigation, and a ...

Quotation

Full article: Simultaneously enhanced strength and ductility …

WebOct 8, 2022.Therefore, how to simultaneously improve the yield strength and tensile ductility of the ultra-fined grains is still an urgent issue. The nano-laminated structure is widely accepted in metals and their composites for strength-ductility synergy, though they usually exhibit poor strain hardening [Citation 8, Citation 9]. From this point of view ...

Quotation

Ductility of Concrete‐Filled Steel Box Columns under Cyclic …

WebAug 20, 1992.Steel bridge piers under cyclic loading due to strong earthquake motion should be designed considering not only the strength but also the ductility capacity. Steel sections with concrete infill are being increasingly used as structural members, since filling the steel section with concrete results in an increase in both strength and ductility ...

Quotation

University of Texas at Austin

WebUniversity of Texas at Austin

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Ductility Assessment of an RC Section | SpringerLink

WebSep 22, 2020.In the present study, the curvature ductility, plastic rotation capacity, and overstrength factor of an RC column section are evaluated to assess analytically the variation in ductility and safety with a varying spacing of confining steel using ductility-based grades of confining steel having characteristic yield strength as 500 N/mm 2. The ...

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Strength and Ductility | SpringerLink

WebMar 30, 2017.These are succinctly called strength and ductility. By strength we mean the resistance of a substance to distortion or fracture, and by ductility we mean how much we may distort it before it fractures. There are many ways to measure these.

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Seismic performance of a new precast concrete frame joint …

WebApr 1, 2023.A new, precast concrete frame beam-column connection is designed in this research. The connection adopts the assembly mode of the precast column and seam area jointly to maintain the integrity of ...

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Cyclic behavior and ductility evaluation of thin-walled …

Webprocedure for determining ultimate strength and ductility capacity of thin-walled steel tubular columns are presented. 3. Ultimate Strength and Ductility Evaluation Method The failure of a box steel column occurs when a displacement corresponding to the maximum strength ( m) or 95 percent strength after the peak ( 95) is reached.

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Curvature ductility prediction of reinforced …

Webcurvature ductility and the tensile reinforcement ratio. The following equation has been suggested: F G U P I, (3) in which F and G are regression constants, tabulated for different material strengths and reinforcement ratios. However, F and G are expressed for only four concrete strengths (21, 28, 35 and 41 MPa), two reinforcement

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Evaluation of Stiffness, Strength, and Ductility of Asphalt …

WebJan 1, 2017.Of these, researchers have used stiffness, strength, and ductility-based criteria to screen binders on the basis of inherent resistance to cracking. In this study, poker chip testing on thin films of asphalt binder was used at intermediate temperatures to obtain both stress and ductility-based properties of eight binders.

Quotation

Full-scale experimental evaluation of flexural strength and ductility ...

WebSep 1, 2022.Carbon fiber reinforced polymer (CFRP) is used for enhancing the structural performance of reinforced concrete (RC) beams. Due to the high resistance of FRP against corrosion and decay, as well as its low specific weight, it has good luck in strengthening the main structural members.

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Metals | Free Full-Text | Experimental and Numerical Analysis …

WebMay 7, 2022.This paper describes an experimental and numerical study of the hysteretic behavior of side-reinforced joints of a steel frame manufactured from Q345B steel and welded using an E5015 electrode. The objectives of this study were to observe the mechanical behavior of side-plate reinforced joints under cyclic loads; identify their …

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Enhanced strength and ductility in a high-entropy alloy via …

WebNov 27, 2018.A strong strengthening effect was observed for both oxygen- and nitrogen-doped HEAs. As expected from conventional interstitial strengthening, the ductility of the N-2 HEA reduced. Addition of...

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Simulating Size and Volume Fraction-Dependent Strength and Ductility …

WebMay 11, 2016.The predicted yield strength and ductility are sensitive to the twin spacing, grain size, as well as the volume fractions of phases in this composite copper. These results will benefit the optimization of both strength and ductility by controlling constituent fractions and the size of the microstructures in metallic materials.

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Investigation of local tensile strength and ductility properties …

WebDec 19, 2019.To improve productivity, the seam welds are often produced by multiple-wire automatic submerged-arc welding using a two-pass procedure where one pass is deposited from the inside and a second pass is made on the outside of the pipe. ... The effect of MA on strength, ductility and work hardening was a key aspect of this investigation, and a ...

Quotation

Investigation of local tensile strength and ductility …

WebDec 19, 2019.In addition, the application of a potential tempering cycle to a welded specimen shifted the tensile fracture location from the HAZ to the base metal by decomposing detrimental MA, which led to a drastic increase in strength and ductility [15]. The initial loss of ductility was attributed to void formation at the MA/ferrite interfaces.

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Full article: Simultaneously enhanced strength and ductility …

WebOct 8, 2022.Therefore, how to simultaneously improve the yield strength and tensile ductility of the ultra-fined grains is still an urgent issue. The nano-laminated structure is widely accepted in metals and their composites for strength-ductility synergy, though they usually exhibit poor strain hardening [Citation 8, Citation 9]. From this point of view ...

Quotation

Ductility of Concrete‐Filled Steel Box Columns under Cyclic …

WebAug 20, 1992.The test results were evaluated using both energy‐absorption capacity and a newly defined ductility factor that takes into account the effect of plate local buckling. It has been shown that the concrete‐filled columns increase both ductility and energy‐absorption capacity significantly.

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Damage Assessment and Ductility Evaluation of Post …

WebJun 3, 2011.The investigation included an approach for design of flexural members with HFRP tendons and characterization of damage, load deformation response, ultimate strength, and failure modes. Direct tensile tests of hybrid FRP rods in a previous study had indicated elastoplastic response, enhanced ductility, and increased strain capacity.

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Seismic performance of a new precast concrete frame joint …

WebApr 1, 2023.A new, precast concrete frame beam-column connection is designed in this research. The connection adopts the assembly mode of the precast column and seam area jointly to maintain the integrity of ...

Quotation

Cyclic behavior and ductility evaluation of thin-walled …

Webprocedure for determining ultimate strength and ductility capacity of thin-walled steel tubular columns are presented. 3. Ultimate Strength and Ductility Evaluation Method The failure of a box steel column occurs when a displacement corresponding to the maximum strength ( m) or 95 percent strength after the peak ( 95) is reached.

Quotation

Curvature ductility prediction of reinforced …

Webcurvature ductility and the tensile reinforcement ratio. The following equation has been suggested: F G U P I, (3) in which F and G are regression constants, tabulated for different material strengths and reinforcement ratios. However, F and G are expressed for only four concrete strengths (21, 28, 35 and 41 MPa), two reinforcement

Quotation

Ductility Assessment of an RC Section | SpringerLink

WebSep 22, 2020.In the present study, the curvature ductility, plastic rotation capacity, and overstrength factor of an RC column section are evaluated to assess analytically the variation in ductility and safety with a varying spacing of confining steel using ductility-based grades of confining steel having characteristic yield strength as 500 N/mm 2. The ...

Quotation

Metals | Free Full-Text | Experimental and Numerical Analysis …

WebMay 7, 2022.This paper describes an experimental and numerical study of the hysteretic behavior of side-reinforced joints of a steel frame manufactured from Q345B steel and welded using an E5015 electrode. The objectives of this study were to observe the mechanical behavior of side-plate reinforced joints under cyclic loads; identify their …

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Guide for Steel Hull Welding - American Welding Society

WebApr 29, 1992.23 Transition From Riveting to Welding in Flush Seam 40 24 Transition From Riveting to Welding in Lap Seam 40 25 Welded Water- or Oil-Stops at Intersecting Members 41 26 Welded Stops at Riveted Seam Lap 41 27 Scallops 42 28 Details for Skewed T-Joints 42 29 Typical Strongbacks 45 30 Cutout of Member to Permit Passage of Inboard Sliding …

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Strength and Ductility | SpringerLink

WebMar 30, 2017.These are succinctly called strength and ductility. By strength we mean the resistance of a substance to distortion or fracture, and by ductility we mean how much we may distort it before it fractures. There are many ways to measure these.

Quotation

Evaluation of Stiffness, Strength, and Ductility of Asphalt …

WebJan 1, 2017.Of these, researchers have used stiffness, strength, and ductility-based criteria to screen binders on the basis of inherent resistance to cracking. In this study, poker chip testing on thin films of asphalt binder was used at intermediate temperatures to obtain both stress and ductility-based properties of eight binders.

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What is Annealing? A Complete Process Guide - TWI

WebA Complete Process Guide. Annealing is a heat treatment process that changes the physical and sometimes also the chemical properties of a material to increase ductility and reduce the hardness to make it more workable. The annealing process requires the material above its recrystallization temperature for a set amount of time before cooling.

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