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Journal articles on the topic 'High strength Testing'

Author: Grafiati

Published: 10 December 2022

Last updated: 31 July 2025

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1

Price, W. F., and J. P. Hynes. "In-situ strength testing of high strength concrete." Magazine of Concrete Research 48, no. 176 (1996): 189–97. http://dx.doi.org/10.1680/macr.1996.48.176.189.

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2

Mikaelian, Karnig O. "Testing diamond strength at high pressure." Diamond and Related Materials 20, no. 10 (2011): 1340–43. http://dx.doi.org/10.1016/j.diamond.2011.09.005.

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3

Johnson, Claude D., and S. Ali Mirza. "Confined capping system for compressive strength testing of high performance concrete cylinders." Canadian Journal of Civil Engineering 22, no. 3 (1995): 617–20. http://dx.doi.org/10.1139/l95-070.

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This paper presents a simple, inexpensive confined cap testing method which can be employed in the compressive strength testing of high performance concrete cylinders. An inexpensive customized cylinder capping apparatus and standard concrete laboratory testing equipment are employed. The paper describes the capping apparatus, capping and testing procedures, as well as test results for concrete compressive strengths up to and exceeding 100 MPa. Key words: capping, capping confinement, compressive strength, cylinders, end condition, grinding, high-strength concrete, specimen size, testing.

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4

Verma, Krishna K., and Fred R. Beckmann. "High-Strength Bolts for Bridges." Engineering Journal 29, no. 1 (1992): 4–11. http://dx.doi.org/10.62913/engj.v29i1.585.

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The use of substandard and mismatched bolts continues to be a major concern to bridge owners in the United States. Based on FHWA-sponsored research at the University of Texas, supplemental specifications were developed and issued modifying fastener manufacturing, testing, and installation procedures. Nearly all bridge bolts are designed for dynamic loading. They are designed to resist either tension forces and/or shear forces. Fatigue concerns govern bolts designed for cyclic tension forces. Cyclic shear forces require slip critical connections. Both loading conditions require bolts to be inst

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5

Hooton, RD, M. Sonebi, and KH Khayat. "Testing Abrasion Resistance of High-Strength Concrete." Cement, Concrete and Aggregates 23, no. 1 (2001): 34. http://dx.doi.org/10.1520/cca10523j.

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6

Richardson, Gregory N., and John A. Bove. "Testing and monitoring of high strength geosynthetics." Geotextiles and Geomembranes 6, no. 1-3 (1987): 157–72. http://dx.doi.org/10.1016/0266-1144(87)90063-x.

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7

Affolter, Christian, Ulrich Müller, Christian Leinenbach, and Bernhard Weisse. "Compressive Testing of Ductile High-Strength Alloys." Journal of Testing and Evaluation 43, no. 6 (2015): 20140301. http://dx.doi.org/10.1520/jte20140301.

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8

Mentl, Vaclav, and Josef Bystricky. "Compression Tests of High Strength Steels." Advanced Materials Research 59 (December 2008): 293–98. http://dx.doi.org/10.4028/www.scientific.net/amr.59.293.

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Mathematical modelling and virtual testing of components and structures represent a useful and economic tool for design and safety assessment. The basic mechanical properties which can be found in material standards are not relevant in cases where the real service conditions differ from those applied during standardised testing. Thus e.g. mechanical behaviour at higher strain rates can be interesting for the car components when the simulation of crash situations is used during structure development. The dynamic compression tests are usually performed by means of drop towers, by means of high s

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9

Sovová, Kateřina, Karel Mikulica, Adam Hubáček, and Karel Dvořák. "Behavior of High Strength Concrete at High Temperatures." Solid State Phenomena 276 (June 2018): 259–64. http://dx.doi.org/10.4028/www.scientific.net/ssp.276.259.

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Concrete is considered as a non-combustible building material. However, at High-Performance Concrete (HPC) is due to its dense structure more likely to occur in explosive spalling. This results in lost of load bearing capacity function of concrete. This paper deals with design, production and testing of the cement-based concrete with the use of different fibers (polypropylene fibers and cellulose fibers). It also assesses the influence of high temperature on strength, visual changes of specimens, changes of surface and degradation of testing specimens due to heat loads according to normative h

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10

Selverian, J. H., D. A. O’Neil, and S. Kang. "Performance Testing and Strength Prediction of Ceramic-to-Metal Joints." Journal of Engineering for Gas Turbines and Power 116, no. 3 (1994): 622–28. http://dx.doi.org/10.1115/1.2906865.

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Brazed joints were made between silicon nitride and Ni-based and Fe-based super alloys. Room temperature shear (torsion) strengths ranged from 75-242 MPa for Si3N4-to-Incoloy 909 joints and from 30-127 MPa for the Si3N4-to-Inconel 718 joints. At 500°C the joint strength was 120 MPa while at 650°C and 950°C the joint strengths were less than 20 MPa. These low strengths at 650°C and 950°C were attributed to a reduction in the shrink-fit and to low braze strength at these high temperatures. Finite element analysis (FEA) and a probabilistic failure theory (CARES) were used to predict the joint str

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11

Rhode, M., T. Mente, T. Kannengießer, T. Schaupp, and A. Zavdoveev. "Challenges for testing hydrogen-assisted cold cracking in weld seams of high-strength steel grades." Paton Welding Journal 2024, no. 8 (2024): 3–9. http://dx.doi.org/10.37434/tpwj2024.08.01.

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12

Solikin, Mochamad. "Compressive Strength Development of High Strength High Volume Fly Ash Concrete by Using Local Material." Materials Science Forum 872 (September 2016): 271–75. http://dx.doi.org/10.4028/www.scientific.net/msf.872.271.

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This paper presents a research to produce high strength concrete incorporated with fly ash as cement replacement up to 50% (high volume fly ash concrete) by using local material. The research is conducted by testing the strength development of high volume fly ash concrete at the age of 14 days, 28 days and 56 days. As a control mix, the compressive strength of Ordinary Portland Cement (OPC) concrete without fly ash is used. Both concrete mixtures use low w/c. consequently, they lead to the use of 1 % superplasticizer to reach sufficient workability in the process of casting. The specimens are

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13

OCHIAI, Ikuo. "Manufacture and Testing of High Strength Steel Wires." Journal of the Japan Society for Technology of Plasticity 51, no. 593 (2010): 493–97. http://dx.doi.org/10.9773/sosei.51.493.

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14

Sucharda, O., V. Bilek, and P. Mateckova. "Testing and mechanical properties of high strength concrete." IOP Conference Series: Materials Science and Engineering 549 (June 18, 2019): 012012. http://dx.doi.org/10.1088/1757-899x/549/1/012012.

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15

Jacobsen, Stefan, Hans Christian Gran, Erik J. Sellevold, and Jon Arne Bakke. "High strength concrete — Freeze/thaw testing and cracking." Cement and Concrete Research 25, no. 8 (1995): 1775–80. http://dx.doi.org/10.1016/0008-8846(95)00173-5.

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16

Singh, Shobna, Ali K. Alhussainy, Bharathi Panduri, et al. "Compressive Strength Prediction Model of High Strength Concrete by Destructive and Nondestructive Technique." E3S Web of Conferences 552 (2024): 01111. http://dx.doi.org/10.1051/e3sconf/202455201111.

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Concrete’s compressive strength can be tested in a laboratory before construction begins. Since concrete is a natural material and cannot be destroyed, it is not possible to determine its compressive strength through destructive testing. Rebound hammers are typically used in the field to evaluate the structural elements’ ability to withstand hardened concrete. As part of the current study, a comparison was made between concrete’s compressive strength measured by destructive testing and its surface hardness measured by rebound hammering. Tests were conducted on laboratory-made concrete cubes in

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17

Shi, Jie, Wen Quan Cao, and Han Dong. "Ultrafine Grained High Strength Low Alloy Steel with High Strength and High Ductility." Materials Science Forum 654-656 (June 2010): 238–41. http://dx.doi.org/10.4028/www.scientific.net/msf.654-656.238.

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In this study a C-Mn High Strength Low Alloy steel (HSLAs) was processed by quenching and austenite reverted transformation during annealing (ART-annealing), which results in an ultrafine grained duplex microstructure characterized by scanning electron microscopy equipped with electron back scattered diffraction, transmission electron microscopy and x-rays diffraction (SEM/EBSD, TEM and XRD). Microstructural observation revealed that the full hard martensitic microstucture gradually transformed into ultrafine grained duplex structure with austenite volume fraction up to 30% at specific anneali

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18

Lu, Jun, Todd Adkins, Iain Dixon, Doan Nguyen, and Ke Han. "Nondestructive Testing of High Strength Conductors for High Field Pulsed Magnets." IEEE Transactions on Applied Superconductivity 30, no. 4 (2020): 1–5. http://dx.doi.org/10.1109/tasc.2020.2980525.

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19

Baranova, Al'bina, and Ol'ga Yazina. "FOAM CONCRETES BASED ON HIGH-STRENGTH BINDERS." Modern Technologies and Scientific and Technological Progress 2018, no. 1 (2020): 97–98. http://dx.doi.org/10.36629/2686-9896-2020-2018-1-97-98.

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20

RÓBERT, ISTÓK, GÁL TIBOR, JASZTRAB PÉTER JÁNOS, PETRU GABRIEL PUIU, and SZÉN ISTVÁN. "MANUFACTURING AND TESTING HIGH VOLTAGE FILTER CAPACITORS." Journal of Engineering Studies and Research 30, no. 1 (2024): 58–63. http://dx.doi.org/10.29081/jesr.v30i1.006.

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This paper presents the manufacturing and testing methods of 30kV and 33nF high voltage filter capacitors. One of the biggest advantages of small companies is that they are able to produce a high diversity of capacitors in small quantities. One of the prices of this flexibility is a higher level of manual manufacturing process in production. But this higher level of manual manufacturing does not mean lower quality in the final product. For high quality products in the high voltage industry, it is necessary to do routine tests in all of the products. For high voltage capacitors the following th

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21

Tomášek, Radek, and Vratislav Mareš. "Dynamic Tensile Testing of High Strength Armor Steel Plates." Key Engineering Materials 741 (June 2017): 70–75. http://dx.doi.org/10.4028/www.scientific.net/kem.741.70.

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In this paper was studied dynamic behavior of the armor steels Armox 500T and Secure 500 by testing specimens in quasi-static tensile test with strain rate 1∙10-3 s-1 and high-speed tensile test within range of intermediate strain rates from 100 s-1 to 400s-1 at the room temperature. Hardness test and quasi-static tensile test confirmed material properties specified by the manufacturer. Stress-strain diagrams showed very low strain-rate hardening effect at investigated strain rates. Total elongation at fracture was larger in case of Armox 500T for the whole strain rate range. Deformation energ

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22

Elbasha, N., and M. N. S. Hadi. "Experimental testing of helically confined high-strength concrete beams." Structural Concrete 6, no. 2 (2005): 43–48. http://dx.doi.org/10.1680/stco.2005.6.2.43.

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23

Kumar, C. Naga Satish, and T. D. Gunneswara Rao. "Fracture parameters of high-strength concrete – mode II testing." Magazine of Concrete Research 62, no. 3 (2010): 157–62. http://dx.doi.org/10.1680/macr.2010.62.3.157.

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24

Thomas, C., J. Sainz-Aja, J. Setien, A. Cimentada, and J. A. Polanco. "Resonance fatigue testing on high-strength self-compacting concrete." Journal of Building Engineering 35 (March 2021): 102057. http://dx.doi.org/10.1016/j.jobe.2020.102057.

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25

Latypova, Renata, Timo Kauppi, Saara Mehtonen, Hannu Hänninen, David Porter, and Jukka Kömi. "Novel stress corrosion testing method for high-strength steels." Materials and Corrosion 70, no. 3 (2018): 521–28. http://dx.doi.org/10.1002/maco.201810462.

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26

Filippov, A. P. "METHOD OF DYNAMIC TENSILE TESTING OF HIGH STRENGTH FIBERS." Problems of Strength and Plasticity 86, no. 1 (2024): 106–19. http://dx.doi.org/10.32326/1814-9146-2024-86-1-106-119.

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The work proposes and tests an experimental method for determining the high-speed tensile strength of high-strength fibers, based on a combination of the modified Kolsky compression method and the method of a thin ring made of the test material expanding under internal pressure. To create a pulsed internal pressure that causes expansion of the ring, accompanied by stretching and rupture of its constituent material, hydrodynamic loading is used in a split Hopkinson bar system under compression. To do this, between the ends of the measuring bars there is a sealed cavity with a liquid that transm

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27

Shaddock, David, and Liang Yin. "High Temperature Laminate Characterization." Journal of Microelectronics and Electronic Packaging 11, no. 4 (2014): 146–57. http://dx.doi.org/10.4071/imaps.427.

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Characterization and modeling of high-temperature laminates for application at 200–250°C is reported to compare and better quantify the mean lifetime based on key functional parameters of via cycling, weight loss, peel strength, and surface insulation resistance (SIR). Life testing and models are applied for via cyclic life, peel strength, and weight loss. Five high-temperature laminates, consisting of three polyimides and two nonpolyimides, were evaluated. The polyimide laminates behaved similarly in via, weight loss, peel strength, and SIR testing with small variances. The nonpolyimides perf

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28

Morris, Peter Henri, and David John Williams. "A revision of Blight's model of field vane testing." Canadian Geotechnical Journal 37, no. 5 (2000): 1089–98. http://dx.doi.org/10.1139/t00-035.

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Vane shear test data obtained by a number of researchers show that the excess pore pressures generated within the soil surrounding the vane by vane insertion and rotation and their effects on the measured vane shear strength have been misinterpreted for many years. The accepted model developed by Blight of field vane testing and the accepted criteria for determining undrained and fully drained vane shear strengths are based on this misinterpretation. Consequently, estimates that are based on this model of the degree of drainage that has been attained at the time the vane shear strength is meas

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29

Wang, Zheng Jun, Mei Han, and Felix Zhao. "Applying Research on Testing Technique of High Performance Concrete." Advanced Materials Research 378-379 (October 2011): 226–29. http://dx.doi.org/10.4028/www.scientific.net/amr.378-379.226.

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In order to master timely and accurately construction quality of high performance concrete, detection of compressive strength of high performance concrete can be tested non-destructively, rapidly and accurately. The paper did preliminary research on high performance concrete with redound method, furthermore, it established estimation model between rebound value and compressive strength. Experiment shows that rebound method can effetely test compressive strength of high performance concrete. Construction quality of Cement concrete structure or component can timely grasped in period of construct

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30

Haiko, Oskari, Kati Valtonen, Antti Kaijalainen, Vahid Javaheri, and Jukka Kömi. "High-stress abrasive wear characteristics of ultra-high strength press-hardening steel." Tribologia - Finnish Journal of Tribology 39, no. 3−4 (2022): 32–41. http://dx.doi.org/10.30678/fjt.122836.

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Ultra-high strength steels are widely utilized in many applications operating in harsh abrasive wear conditions. For instance, the machineries used in mining and mineral handling or in agricultural sector require robust, but cost-effective wear-resistant materials. Steels provide excellent combination of mechanical properties and usability. This study encompasses mechanical and wear testing of an experimental medium-carbon press-hardening steel. The as-received material was austenitized at two different temperatures and quenched in water. Additionally, low-temperature tempering was applied for

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31

Sharpe, William N. "Tensile Testing of MEMS Materials at High Temperatures." Applied Mechanics and Materials 3-4 (August 2006): 59–64. http://dx.doi.org/10.4028/www.scientific.net/amm.3-4.59.

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This paper presents three kinds of high-temperature test methods for three different materials along with the results. Resistively heated polysilicon film 3.5 micron thick shows ductile behavior at 500°C. Resistively heated nickel 200 microns thick shows decreasing strength at 400°C. Furnace heated silicon carbide 200 microns thick maintains its strength at 1000°C. Strain is measured by laser-based interferometry in the first two cases to obtain complete stress-strain curves, while force-displacement is measured in the third case.

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32

A.M. Mhamoud, Hassan, and Jia Yanmin. "Effect of different additives on high temperatures of concrete." Journal of Structural Fire Engineering 9, no. 2 (2018): 161–70. http://dx.doi.org/10.1108/jsfe-01-2017-0021.

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Purpose This study aims to investigate the effectiveness of different additives (individual effects) in improving the strength of concrete to resist temperatures of up to 60ºC. Design/methodology/approach In all, 13 different mixtures with a constant water/binder ratio of 0.36 and grade M40 were prepared by using ordinary Portland concrete alone, or with partial replacement by fly ash (FA), blast-furnace slag, silica fume (SF) and a combination of all three. After 7 and 28 days under water, their strength and residual strength were measured. Findings The results of testing revealed that the ad

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33

Anil, Kumar, Khan Ibran, Chaudhary Manu, Bhutani Kapil, and Bhardwaj Arun. "Ultrahigh Performance Concrete Behavioral Testing Study." Journal of Building Construction 3, no. 1 (2021): 1–6. https://doi.org/10.5281/zenodo.4709651.

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Concrete is the most widely used building material developed in the last century. It has a depressing power but no conflict. In IS/456-2000 cement concrete is designated with its 150mm cubic pressure with 28 days in N/mm2. Mark separation has been done as standard concrete for M-10 to M-20, standard concrete for M-25 to M-55, high performance concrete for M-60 to M-80 and now a new grade has been developed such as Ultra High Performance Concrete. High-performance concrete, lasts much longer than conventional concrete due to the strength and impermeability of chloride penetration. The concrete

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34

Chen, Jinming, Qiang Jin, Baoli Dong, and Cun Dong. "Research on the Rebound Hammer Testing of High-Strength Concrete’s Compressive Strength in the Xinjiang Region." Buildings 13, no. 12 (2023): 2905. http://dx.doi.org/10.3390/buildings13122905.

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Enhancing the assessment of compressive strength and the efficiency of rebound hammers in non-destructive testing for high-strength concrete is an urgent issue in construction engineering. This study involved C50 to C90 high-strength concrete specimens, utilizing rebound hammers with nominal energies of 4.5 J and 5.5 J, along with a compression machine. A regression analysis was performed on the compressive strength and rebound values, resulting in linear, polynomial, power, exponential, and logarithmic equations for two different types of rebound hammers. Additionally, the precision of reboun

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35

Pigožnis, Kārlis, and Edmunds Teirumnieks. "CARBON FIBER AND PLANT FIBER COMPOSITE TECHNOLOGY DEVELOPMENT IN HIGH STRENGH PARTS." HUMAN. ENVIRONMENT. TECHNOLOGIES. Proceedings of the Students International Scientific and Practical Conference, no. 21 (April 19, 2017): 176–79. http://dx.doi.org/10.17770/het2017.21.3556.

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Natural abundance, low density, high strength per unit weight, and biodegradability of natural materials, specifically natural fibres, render them attractive for other reinforcements. In order to clarify the effect of natural fibers as reinforcments upon the tensile strength of polyacrylonitrile (PAN)-based carbon fibres, experimental as well as theoretical studies have been performed. A new material developing has been made in combining different fiber materials and testing them for strengh.

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36

Shaddock, David, and Liang Yin. "Reliability of High Temperature Laminates." Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2015, HiTEN (2015): 000100–000110. http://dx.doi.org/10.4071/hiten-session3b-paper3b_1.

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Printed circuit boards have been reported to have limited lifetime at 200 to 250°C. Characterization of high temperature laminates for application at 200 to 250°C was conducted to better quantify their lifetime using accelerated testing of key functional parameters. Eight high temperature laminates consisting of 3 material types was evaluated. Life testing was applied for via cyclic life, weight loss, peel strength, and surface insulation resistance. Via lifetime was characterization using Interconnect Stress Test (IST) coupons. Weight loss was measured at intervals during the life of the test

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37

Stevenson, Peter E., Todd R. Skochdopole, L. Cassady, Dennis Pihs, and Ajit D. Kelkar. "Testing of High Strength Fabrics: Reporting Modulus, Low Strain Properties, and Ultimate Tensile Strength." Journal of Industrial Textiles 29, no. 4 (2000): 259–72. http://dx.doi.org/10.1177/152808370002900403.

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Measurement of the tensile properties of high strength woven and knit fabrics, including geotextiles and geogrids traditionally make use of roller grip-type clamping systems. These grips are designed to allow a sample to be pulled in tension without applying an excessive crimping or compressive force on the specimen, thus avoiding premature failure. Roller grips, also known as capstan grips, also have the advantage of allowing the specimen to align itself with the applied force therefore loading the specimen uniformly across the width. However, since the specimen tightens itself around the gri

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38

STEVENSON, PETER E., TODD R. SKOCHDOPOLE, L. CASSADY, DENNIS PIHS, and AJIT D. KELKAR. "Testing of High Strength Fabrics: Reporting Modulus, Low Strain Properties, and Ultimate Tensile Strength." Journal of Industrial Textiles 29, no. 4 (2000): 259–72. http://dx.doi.org/10.1106/bckb-721e-wanf-7ta4.

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39

Gaidhane, Ms Sakshi Harish. "“Testing of High-Performance Concrete using Recycled Aggregates”." International Journal for Research in Applied Science and Engineering Technology 9, no. 9 (2021): 495–98. http://dx.doi.org/10.22214/ijraset.2021.37970.

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Abstract: Tons of waste is produced in the world on every day basis which sometimes gets really hard to manage and. The waste from demolished structures is one of them. Recycling waste consume energy and produces pollution that can lead to many adverse effects on the environment and human life. The disposal of waste is also very dangerous for the environment. Using waste materials like waste aggregates, broken bricks, stones and other material in concrete can help in eliminating the waste and save the environment getting polluted. It is also very much economical and encourages green concrete i

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40

Sathish, S., T. Ganapathy, and Thiyagarajan Bhoopathy. "Experimental Testing on Hybrid Composite Materials." Applied Mechanics and Materials 592-594 (July 2014): 339–43. http://dx.doi.org/10.4028/www.scientific.net/amm.592-594.339.

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In recent trend, the most used fiber reinforced composite is the glass fiber composite. The glass-fiber composites have high strength and mechanical properties but it is costlier than sisal and jute fiber. Though the availability of the sisal and jute fiber is more, it cannot be used for high strength applications. A high strength-low cost fiber may serve the purpose. This project focuses on the experimental testing of hybrid composite materials. The hybrid composite materials are manufactured using three different fibers - sisal, glass and jute with epoxy resin with weight ratio of fiber to r

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41

Mitter, F., J. Schrank, E. Werner, and E. Pink. "High-temperature strength testing of directly resistance-heated metal specimens." High Temperature Technology 7, no. 3 (1989): 145–51. http://dx.doi.org/10.1080/02619180.1989.11753427.

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42

Inoue, M., Y. Takizawa, and A. Okada. "Non-linear flexure testing of a high-strength glass disk." International Journal of Solids and Structures 28, no. 9 (1991): 1185–97. http://dx.doi.org/10.1016/0020-7683(91)90111-r.

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43

Yi, Wei Jian, and Yan Mei Lv. "Experimental Study on Shear Failure of High-Strength Concrete Beams with High-Strength Stirrups." Key Engineering Materials 400-402 (October 2008): 857–63. http://dx.doi.org/10.4028/www.scientific.net/kem.400-402.857.

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19 RC beams with shear span-to-depth equal to 3 were tested under a stiff testing facility, and complete load-deflection curves including the post-peak branch were obtained. Based on the test results the effects of concrete strength, stirrups strength, inclined stirrup angle, the amount of longitudinal reinforcement on failure mode, shear ductility index and shear capacity were analyzed. The test results were compared with the shear design approaches of Chinese Code and American Code. The results indicate that the shear failure of beam with appropriate web reinforcement has finite ductility. H

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44

Mohtasham Moein, Mohammad, Ashkan Saradar, Komeil Rahmati, et al. "Investigation of Impact Resistance of High-Strength Portland Cement Concrete Containing Steel Fibers." Materials 15, no. 20 (2022): 7157. http://dx.doi.org/10.3390/ma15207157.

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Impact resistance of Portland cement concrete (PCC) is an essential property in various applications of PCC, such as industrial floors, hydraulic structures, and explosion-proof structures. Steel-fiber-fortified high-strength concrete testing was completed using a drop-weight impact assessment for impact strength. One mix was used to manufacture 320 concrete disc specimens cured in both humid and dry conditions. In addition, 30 cubic and 30 cylindrical specimens were used to evaluate the compressive and indirect tensile strengths. Steel fibers with hooked ends of lengths of 20, 30, and 50 mm w

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45

Hlebová, Stanislava, and Ladislav Pešek. "Toughness of Ultra High Strength Steel Sheets ." Materials Science Forum 782 (April 2014): 57–60. http://dx.doi.org/10.4028/www.scientific.net/msf.782.57.

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Currently only few methods exist for thin steel sheet testing, especially based on fracture mechanics concept. Charpy impact test is one of the most used method for testing notch toughness and fracture behaviors because of the simplicity and the other advantages [. This article deals with toughness testing of automotive ultra high strength steel sheets (UHSS). Several standard types of toughness test that generate data for specific loading conditions and/or component design approaches exist. Two definition of toughness will be discussed: i) Charpy V-notch toughness, method includes joining of

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46

Dr., Udeme Hanson Iron. "Flexural Strength Models for Normal Laterised and High Strength Laterised Concretes at Optimum Mix Proportions." Flexural Strength Models for Normal Laterised and High Strength Laterised Concretes at Optimum Mix Proportions 05, no. 07 (2022): 1767–84. https://doi.org/10.5281/zenodo.6880694.

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This study develops mathematical models for obtaining optimum flexural strengths of normal laterised(NLC) and high strength laterised concretes (HSLC). The models can be expressly used to evaluate the indirect tensile strengths of both types of concretes without going through the traditional methods of mix design. Optimum mixing ratios and optimum flexural strengths predicted are also supplied by the models. The three point load method was adopted for testing for the flexural strengths. Laterite, has been widely used to partially or wholly replace sand in concrete with resultant low strengths.

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Zhang, Nan, Juan Liao, Tao Zhang, Wen Zhan Ji, Bao Hua Wang, and Dong Hua Zhang. "The Effect of Mineral Admixtures on Mechanical Properties of High Performance Concrete at very Low Temperature." Applied Mechanics and Materials 584-586 (July 2014): 1509–13. http://dx.doi.org/10.4028/www.scientific.net/amm.584-586.1509.

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The effect of very low temperature on high performance concrete (HPC) mechanical properties is studied by using a reasonable testing method. The results show that the compressive strengths of concrete are increasing with lower temperatures. Fly ash (FA), compared to ground granulated blast-furnace slag (GGBFS), is positive to the compressive strength increasing at low temperature. The splitting tensile strengths of concrete appear a maximum at-40°C~-80°C. The compound replacement by GGBFS and FA makes the splitting tensile strength present the extreme value at higher temperature. At very low t

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Shaddock, David, and Liang Yin. "High Temperature Laminate Characterization." Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2014, HITEC (2014): 000235–45. http://dx.doi.org/10.4071/hitec-wp21.

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Printed circuit boards have been reported to have limited lifetime at 200 to 250°C. Characterization and modeling high temperature laminates for application at 200 to 250°C was conducted to better quantify the mean lifetime using accelerated testing of key functional parameters. Life testing and model development was applied for via cyclic life, peel strength, and weight loss. Four high temperature laminates consisting of 2 types were evaluated. Via lifetime was characterization using Interconnect Stress Test (IST) coupons. Peel strength was tested using IPC IPC-TM-650 method 2.4.8c. Weight lo

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Song, Hongzhi, Wei Mei, Jianliang Zhang, Weihong Long, and Hongchuan Zhao. "Corrosion and tensile testing study of high temperature and high pressure well injection and production integrated string." Thermal Science 28, no. 4 Part B (2024): 3567–72. http://dx.doi.org/10.2298/tsci2404567s.

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In this study, corrosion experiments were conducted on three commonly used materials for integrated strings (L80, 2205, P110) using the hanging strip corrosion method at high temperature and high pressure. Subsequently, high temperature tensile tests were performed on the three materials, and the variations in parameters such as corrosion rate, yield strength, and tensile strength under different experimental temperatures were compared and analyzed. The experimental results indicate that with increasing experimental temperature, the corrosion rate of all three materials shows an upward trend,

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Antonov, Dmitri. "Testing nonperturbative Ansätze for the QCD field strength correlator." Physics Letters B 479, no. 4 (2000): 387–94. http://dx.doi.org/10.1016/s0370-2693(00)00337-3.

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