Topic
Flexural strength
About: Flexural strength is a research topic. Over the lifetime, 52123 publications have been published within this topic receiving 846504 citations. The topic is also known as: bending strength & modulus of rupture.
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TL;DR: In this article, the results of a research project initiated to study the stability of these materials when exposed to aggressive solutions were presented, where prisms of mortar made of sand and alkali-activated metakaolin were immersed in deionized water, ASTM sea water, sodium sulfate solution (4.4% wt), and sulfuric acid solution (0.001 M).
510 citations
TL;DR: Hydroxyapatite (HA) coatings have been sprayed on to substrates of Ti-6Al-4V, using a range of input power levels and plasma gas mixtures, and the phase constitution, porosity, degree of crystallinity, OH ion content, microstructure and surface roughness of the HA coatings were made.
509 citations
TL;DR: In this paper, high molecular weight copolyesters were prepared by acidolysis of poly(ethylene terephthalate) with p-acetoxybenzoic acid and polycondensation through the acetate and carboxyl groups.
Abstract: High molecular weight copolyesters were prepared by the acidolysis of poly(ethylene terephthalate) with p-acetoxybenzoic acid and polycondensation through the acetate and carboxyl groups. The mechanical properties of the injection-molded copolyesters containing 40–90 mole-% p-hydroxybenzoic acid (PHB) were highly anisotropic and dependent upon the PHB content, polyester molecular weight, injection-molding temperature, and specimen thickness. As the injection-molding temperature increased and the specimen thickness decreased, the tensile strength, stiffness, and Izod impact strength increased when measured along the direction of flow of the polymer melt, and the coefficient of thermal expansion was zero. In some compositions these properties were superior to those of commercial glass fiber reinforced polyesters. Maximum tensile strengths, flexural moduli, notched Izod impact strengths, and minimum melt viscosities were obtained with polyesters containing 60–70 mole-% PHB. Higher oxygen indicies (39–40) and heat deflection temperatures (150–220°C) were obtained with 80–90 mole-% PHB.
507 citations
TL;DR: In this paper, surface modifications of coir fibres involving alkali treatment, bleaching, and vinyl grafting are made in view of their use as reinforcing agents in general-purpose polyester resin matrix.
504 citations
Book•
01 Jan 1999
TL;DR: In-Plane Stiffness Design. Failure Criteria for Laminated Composites as discussed by the authors, failure criteria for laminate composites, and strength design of laminate materials.
Abstract: Mechanics of Laminated Composite Materials. Hygrothermal Analysis of Laminated Composites. Laminate In-Plane Stiffness Design. Integer Programming Techniques. Failure Criteria for Laminated Composites. Strength Design of Laminates. Laminate Design for Flexural and Combined Response.
501 citations