نتایج جستجو برای: steel fiber
تعداد نتایج: 209054 فیلتر نتایج به سال:
OBJECTIVES To measure the flexural strengths and moduli of endodontic post materials and to assess the effect on the calculated flexural properties of varying the diameter/length (D/L) ratio of three-point bend test samples. METHODS Three-point bend testing of samples of 2mm diameter metal and fiber-reinforced composite (FRC) rods was carried out and the mechanical properties calculated at su...
Color marking of stainless steels as a process is known for sometime but still it has not been used widely in the industry. Some industrial applications have been seen. New MOPA fiber lasers allow independent tuning different laser parameters and the marking process can be optimized for producing colors with better quality and visual appearance. Laser processing of metal surfaces creates an oxi...
The J-based fracture testing technique is newly extended to experimentally determine the tension-softening (a-6) relations in ceramic-matrix composites. The J-based technique originally proposed for concrete has been well established for quasi-brittle materials where the fracture process is primarily dominated by the formation of a fracture process zone and the contribution of the crack tip tou...
Semi-static dissolution tests using pressurized water reactor spent fuel rod segments and NNWSI reference J-13 well water 1n sealed stainless steel vessels at 85*C are being conducted In support of the Waste Package Task of the NNWSI Project. Test specimens include: bare fuel plus the empty cladding hulls, fuel rod segments with artificially induced cladding defects and water-tight end caps, an...
in this paper, the effect of cyclic loading on punching strength of flat slabs strengthened with carbon fiber reinforced polymer (cfrp) sheets is studied. experimental results of ten slab specimens under monotonic and cyclic loading are analyzed. eight specimens were strengthened with cfrp sheets on the tensile face of the slabs and the two other specimens were kept un-strengthened as control s...
High performance fiber reinforced cement-based composite (HPFRCC) materials have unique properties that are advantageous for many structural applications. In direct tension these materials can reach strains between 0.5% and 6% depending on material and specimen geometry. The large tensile strain capacity allows these materials to strain compatibly with steel reinforcement and achieve higher ten...
Broadband ultrasonic back-scattered energy contains information regarding material structures from which it was scattered. Signal processing techniques use characteristic changes in the back-scattered signals to detect scatterers or reflectors that represent flaws and impurities within a manufactured part. A-scans from materials such as stainless steel, titanium, and composites comprised of den...
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