Search Results - "Šperl, Martin"

Fracture Mechanics Based Analysis of the Fatigue Life of Defective Welded Joints by Gajdoš, Ľubomír, Šperl, Martin

“…This work was motivated by the endeavour to experimentally determine the influence of crack position on the fatigue life of weldments. Plates were cut from a…”
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Evaluating the Suitability of the Gurson—Tvergaard—Needleman Plasticity Model for Crack Resistance Curve Analysis by Gajdoš, Ľubomír, Šperl, Martin, Korouš, Jan, Kuželka, Jiří

“…The operational safety of oil and gas storage units is crucial, as any potential imperfections or cracks in a container wall could result in fracture. The key…”
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Comparison of J Integral Assessments for Cracked Plates and Pipes by Gajdoš, Ľubomír, Šperl, Martin, Bayer, Jan, Kuželka, Jiří

“…The purpose of this article is to compare two predictive methods of J integral assessments for center-cracked plates, single-edge cracked plates and…”
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The comparison of projectile impact resistance of ultra-high-performance fibre-reinforced concrete with various aggregates by Drdlová, Martina, Šperl, Martin

“…In order to apply the ultra-high-performance fibre-reinforced concrete (UHPFRC) in the constructions of ballistic protective structures, the impact resistance…”
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The Effect of Heavy-Duty Vehicle Crossings on the State of Stress of Buried Pipelines by Gajdoš, Ľubomír, Šperl, Martin, Kec, Jan, Crha, Petr

“…The aim of this article is to quantify the loads exerted by heavy-duty vehicles when crossing over buried pipeline. This problem arises in connection to the…”
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Comparison of fracture properties of steel pipes by Gajdoš, Ľubomír, Šperl, Martin

“…An investigation was made into mechanical and fracture – mechanical properties of seamless pipe Ø 525/8.5 mm from CSN 413126 steel and axially welded pipe Ø…”
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Pressure Behavior of a Steel Pipeline Experiencing Creep at Normal Temperatures by Gajdoš, Ľubomír, Šperl, Martin, Pavelková, Romana

“…AbstractThis work was motivated by the need for knowledge about the natural decrease in water pressure from room temperature creep, separate from the decrease…”
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Creep damage index as a sensitive indicator of damage accumulation in thermoplastic laminates by Minster, Jiří, Šperl, Martin, Šepitka, Josef

“…This study aims to correlate a newly proposed local time-dependent indicator of the damage accumulation in a thermoplastic laminate matrix with the degradation…”
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The Effect of Curvature of a Pipe Wall on the Fracture Toughness and Protection of High Pressure Pipelines by Gajdoš, Ľubomír, Šperl, Martin, Crha, Petr

“…For standard fracture mechanical tests flat specimens (principally CT or SENB) are required. When investigating fracture mechanical properties of thin – walled…”
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Microindentation into an epoxy composition to assess the influence of aging on mechanical properties by Minster, Jiří, Bláhová, Olga, Hristova, Julia, Lukeš, Jaroslav, Němeček, Jiří, Šperl, Martin

“…This work aims to apply the microindentation technique for assessing the influence of two aging factors—long‐term weathering and long‐term laboratory aging—on…”
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Apparent fracture toughness of low-carbon steel CSN 411353 as related to stress corrosion cracks by Gajdoš, L’ubomír, Šperl, Martin, Siegl, Jan

“…► Stress corrosion fracture toughness of low-C steel CSN 411353 was studied. ► Compared to fatigue fracture toughness it was reduced by a factor 4.5–5.7. ► A…”
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Fatigue behaviour of X70 steel in crude oil by Gajdoš, Ľubomír, Šperl, Martin, Bystrianský, Jaroslav

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IDENTIFICATION OF DAMAGED ZONES IN C/PPS SPECIMENS SUBJECTED TO FATIGUE LOADING BASED ON HIGH-RESOLUTION THERMOGRAPHY by Koudelka, Petr, Kytýř, Daniel, Fenclová, Nela, Šperl, Martin

“…In this study high resolution thermography is used for identification of damaged zones in Carbon fiber/polyphenylene sulfide (C/PPS) long fiber composite…”
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Improving the fatigue strength of impaired welds by overloading by Gajdoš, Ľubomír, Šperl, Martin, Braga, Andrés Burgos

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462 The role of elevated serum bilirubin levels on carotid atherosclerosis by Vitek, Libor, Novotný, Ladislav, Spácil, Jirí, Šperl, Martin, Holaj, Roman

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The effect of overloading on toughness characteristics by Gajdos, Ľubomir, Sperl, Martin, Parizek, Petr

“…A controlled overloading of some structures containing sharp defects can lead to improvement of the integrity of the structures due to blunting the defect tip,…”
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