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Dynamic Strength Properties Of Structural Steel At Elevated Rates Of Strain
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Book Synopsis Dynamic Strength Properties of Structural Steel at Elevated Rates of Strain by : Matthew P. Murray
Download or read book Dynamic Strength Properties of Structural Steel at Elevated Rates of Strain written by Matthew P. Murray and published by . This book was released on 2020 with total page 111 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experiments were conducted on ASTM A572 50 and A992 steel over a range of intermediate strain rates in order to determine material strength properties of structural members subjected to dynamic loadings. The yield and ultimate tensile stress (UTS) of the steels were determined at increasing strain rates using a hydraulic apparatus and compared to static values obtained from ASTM E8 standardized tensile experiments. Results revealed that A572-50 steel exhibited an increase in yield stress of up to 35% and UTS of up to 20% as strain rate increased from 0.002 to 2.0 s-1. A992 steel demonstrated a similar increase in yield stress of up to 45% and UTS of up to 20%. Ratios of dynamic-to-static strengths were used to develop dynamic increase factor curves spanning the range of strain rates studied. These curves provide designers with material property values required for accurate and economical design of protective structures.
Book Synopsis Effect of Strain Rate on Material Properties of Sheet Steels and Structural Strengths of Cold-formed Steel Members by : Maher Kassar
Download or read book Effect of Strain Rate on Material Properties of Sheet Steels and Structural Strengths of Cold-formed Steel Members written by Maher Kassar and published by . This book was released on 1990 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt: "In structural design, the material properties of steels and the strengths of cold-formed steel members are affected by strain rate. Two subjects were investigated experimentally and analytically in this study. They are 1) effect of strain rate on mechanical properties of sheet steels in tension and compression, and 2) structural strengths of stub columns and beams subjected to dynamic loads. Three sheet steels with nominal yield strengths ranging from 35 to 100 ksi were studied under different strain rates. A total of 124 tensile coupons and 54 compressive coupons were tested in this phase of study. The structural strengths of 37 stub columns and 30 beam specimens fabricated from 35XF sheet steel were investigated in the second phase of this study under different strain rates. The results showed that the material properties as well as the strengths of the structural members increased with the strain rate. The amount of increase was found to be dependent on the material yield strengths and the strain rates used in the tests. The effective width approach included in the current AISI Automotive Steel Design Manual was utilized for the evaluation of member strengths using static and dynamic yield stresses corresponding to the strain rates used in the tests. Good agreement was achieved between the predicted and tested member strengths when using the dynamic yield stresses in the comparison"--Abstract, leaf iii.
Book Synopsis Dynamic Material Properties of Grade 50 Steel by : Matthew P. Murray
Download or read book Dynamic Material Properties of Grade 50 Steel written by Matthew P. Murray and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Properties of Materials at High Rates of Straining Or Loading by : Rowland J. Mainstone
Download or read book Properties of Materials at High Rates of Straining Or Loading written by Rowland J. Mainstone and published by . This book was released on 1975 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dynamic Tests on Selected Structural Steels by : W. L. Cowell
Download or read book Dynamic Tests on Selected Structural Steels written by W. L. Cowell and published by . This book was released on 1969 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dynamic tension tests and static tension tests were conducted on four grades of structural steels. The steels conform to ASTM grades A36, A242, A441, and A572. Stress-strain curves are presented for each steel at various strain rates, ranging from static to about 1.5 in./in./sec. While all steels showed an increase in yield stress with increasing strain rates, the A36 steel showed the greatest increase. Design recommendations are given for structural steels subjected to high strain rates. Additional specimens were strain aged, and stress-strain curves were obtained for both dynamic and static tests. Of the strain-aged steels, only the A36 steel showed a significant increase in strength over the non-strain-aged steels, when loaded dynamically. No adverse effects of strain aging were noted on any of the steels. (Author).
Book Synopsis Dynamic Properties of Materials. Part III. Steels by : P. Soohoo
Download or read book Dynamic Properties of Materials. Part III. Steels written by P. Soohoo and published by . This book was released on 1974 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: A survey of the literature has been conducted to obtain and compile existing experimental data on the pertinent mechanical properties of steels subject to dynamic loading conditions and under a wide temperature range. Data showing the variation of yield strength and elongation with strain rate and temperature are categorized and tabulated. The effect of the dynamic properties of steels due to strain rate variation at room temperature is shown graphically. Separate curves for steels in tension and compression are presented. A comprehensive reference and bibliography section is provided. The behavior of steels under dynamic loading is generally different from that under static loading. The yield strength is higher under dynamic loading, and it decreases with increasing temperature. (Modified author abstract).
Book Synopsis Stability and Ductility of Steel Structures under Cyclic Loading by : Yuhshi Fukumoto
Download or read book Stability and Ductility of Steel Structures under Cyclic Loading written by Yuhshi Fukumoto and published by CRC Press. This book was released on 1991-12-07 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: The U.S.-Japan Joint Seminar on Stability and Ductility of Steel Structures under Cyclic Loading was held in Osaka, Japan on July 1-3, 1991. This three-day seminar was devoted to five main topics: 1) materials properties and plasticity models, which featured experimental investigations of the material properties of structural steels and plasticity models of the material characteristics under dynamic and cyclic loading conditions; 2) experimental observations, which featured experimental studies of cyclic buckling behavior of steel structural members and frames subjected to dynamic and cyclic loading conditions; 3) analytical modeling, which discussed analytical modeling of the cyclic buckling behavior of steel structural members and frames; 4) design implementation, which emphasized earthquake engineering design of steel structures against cyclic buckling; and 5) future research needs, in which future analytical and experimental research needs on the behavior and design of steel structures subjected to dynamic and cyclic loading conditions were identified. This book contains 30 contributed papers presented at the seminar.
Book Synopsis Optimisation of Both Steel Properties and Autobody Structural Designs for Axial, Side and Off Set Impact Loading by :
Download or read book Optimisation of Both Steel Properties and Autobody Structural Designs for Axial, Side and Off Set Impact Loading written by and published by . This book was released on 2002 with total page 209 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Materials at High Strain Rates by : T.Z. Blazynski
Download or read book Materials at High Strain Rates written by T.Z. Blazynski and published by Springer Science & Business Media. This book was released on 1987-07-31 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mechanical Behavior of Materials by : William F. Hosford
Download or read book Mechanical Behavior of Materials written by William F. Hosford and published by Cambridge University Press. This book was released on 2010 with total page 437 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a textbook on the mechanical behavior of materials for mechanical and materials engineering. It emphasizes quantitative problem solving. This new edition includes treatment of the effects of texture on properties and microstructure in Chapter 7, a new chapter (12) on discontinuous and inhomogeneous deformation, and treatment of foams in Chapter 21.
Book Synopsis Structures to Resist the Effects of Accidental Explosions by :
Download or read book Structures to Resist the Effects of Accidental Explosions written by and published by . This book was released on 1991 with total page 706 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dynamic Behavior of Materials by : Marc A. Meyers
Download or read book Dynamic Behavior of Materials written by Marc A. Meyers and published by John Wiley & Sons. This book was released on 1994-10-28 with total page 694 pages. Available in PDF, EPUB and Kindle. Book excerpt: Addresses fundamentals and advanced topics relevant to the behavior of materials under in-service conditions such as impact, shock, stress and high-strain rate deformations. Deals extensively with materials from a microstructure perspective which is the future direction of research today.
Book Synopsis Elevated Temperature and High Strain Rate Properties of Offshore Steels by : B. A. Burgan
Download or read book Elevated Temperature and High Strain Rate Properties of Offshore Steels written by B. A. Burgan and published by . This book was released on 2001 with total page 149 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dynamic Tensile Testing of Sheet Steels and Influence of Strain Rate on Strengthening Mechanisms in Sheet Steels by : Denise M. Bruce
Download or read book Dynamic Tensile Testing of Sheet Steels and Influence of Strain Rate on Strengthening Mechanisms in Sheet Steels written by Denise M. Bruce and published by . This book was released on 2003-07-01 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: The capability to conduct dynamic tensile testing of sheet steels was established and the influence of strain rate on strengthening mechanisms in sheet steels was investigated in this work. Several different automotive sheet steels were studied, including interstitial free (IF) steel, high strength low alloy (HSLA) steel, dual phase steel and transformation induced plasticity (TRIP) steel.
Book Synopsis Effects of Strain Rate on the Mechanical Properties and Fracture Characteristics of a Dual Phase 980 Steel by : Sukanya Sharma
Download or read book Effects of Strain Rate on the Mechanical Properties and Fracture Characteristics of a Dual Phase 980 Steel written by Sukanya Sharma and published by . This book was released on 2019 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dual phase (DP) steels are being increasingly used as structural components in the automotive industry owing to their combination of high strength and moderate ductility.Formability and crash resistance are important mechanical properties that expose the steel to high strain rates.Fracture characteristics of a DP steel at strain rates spanning seven orders of magnitude are investigated using quantitative fractography.The DP steel investigated in this study is comprised of a continuous matrix of martensite with interspersed ferrite islands.The data reveal that the flow stress, uniform strain, and ductility are substantially higher at the higher strain rates.Quantitative fractography, employed to understand the fracture characteristics, shows an increase in the extent of ductile fracture at high strain rates.In this presentation, the results demonstrating high strain rates facilitating dimpled ductile fracture and/or increased resistance to faceted fracture are discussed.
Book Synopsis Modelling Hot Deformation of Steels by : John G. Lenard
Download or read book Modelling Hot Deformation of Steels written by John G. Lenard and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computer Aided Engineering may be defined as an approach to solving tech nological problems in which most or all of the steps involved are automated through the use of computers, data bases and mathematical models. The success of this ap proach, considering hot forming, is tied very directly to an understanding of material behaviour when subjected to deformation at high temperatures. There is general agreement among engineers that not enough is known about that topic -and this gave the initial impetus for the project described in the present study. The authors secured a research grant from NATO (Special Research Grant #390/83) with a mandate to study the "State-of-the-Art of Controlled Rolling". What follows is the result of that study. There are five chapters in this Monograph. The first one, entitled "State-of-the Art of Controlled Rolling" discusses industrial and laboratory practices and research designed to aid in the development of microalloyed steels of superior quality. Follow ing this is the chapter "Methods of Determining Stress-Strain Curves at Elevated Temperatures". The central concern here is the material's resistance to deformation or in other words, its flow strength, the knowledge of which is absolutely essential for the efficient and economical utilization of the computers controlling the rolling process.
Book Synopsis Thermomechanical Processing of High-Strength Low-Alloy Steels by : Imao Tamura
Download or read book Thermomechanical Processing of High-Strength Low-Alloy Steels written by Imao Tamura and published by Butterworth-Heinemann. This book was released on 2013-10-22 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thermomechanical Processing of High-Strength Low-Alloy Steels considers some advanced techniques and metallurgical bases for controlled-rolling. This book contains 12 chapters. In Chapter 1, the purpose of thermomechanical processing and historical survey is described, while in Chapter 2, the kinetics of phase transformations and refinement of grain size in steels are elaborated. The techniques and metallurgical bases for controlled-rolling in the recrystallization, non-recrystallization, and (? + y) regions are reviewed in Chapters 3 to 5. Chapters 6 and 7 discuss the deformation resistance during hot-rolling and restoration processes. The phase transformations during cooling following hot-rolling are mentioned in Chapter 8, followed by a summarization of the effects of alloying elements in Chapter 9. Chapters 10 and 11 deal with the mechanical properties of controlled-rolled steel and prediction and control of microstructure and properties by thermomechanical processes. The problems faced and possibilities for future developments are stated in the last chapter. This publication is recommended for physicists, metallurgists, and researchers concerned with controlled-rolling, including non-specialists who have some knowledge of metallurgy.
