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eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2004
ISBN-10: 0-8031-3480-0
ISBN: 978-0-8031-3480-5
... that account for the effects of sealant aging in FEA modeling. Uniaxial stress relaxation testing was conducted on six commercially available silicone structural glazing, insulating glazing, and weatherproofing sealants in tension and in compression at temperatures of -20°C, 22°C, and 80°C. Testing was carried...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2000
ISBN-10: 0-8031-2872-X
ISBN: 978-0-8031-2872-9
... laboratories, material density/porosity/panel of origin, elastic constants, and nondestructive evaluation characteristics. Repeatability and reproducibility were assessed from coefficients of variation that ranged from 4 to 10%. ceramic matrix composite precision and bias round-robin tension...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2000
ISBN-10: 0-8031-2872-X
ISBN: 978-0-8031-2872-9
... and tension [Test Method for Flexural Properties of Continuous Fiber-Reinforced Advanced Ceramics (C 1341), Test Method for Shear Strength of Continuous Fiber-Reinforced Advanced Ceramics at Ambient Temperatures (C 1292), and Test Method for Monotonic Tensile Strength Testing of Continuous Fiber-Reinforced...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1997
ISBN-10: 0-8031-2033-8
ISBN: 978-0-8031-2033-4
... Ceramic matrix composites (CMCs) consisting of an oxide matrix, no fiber-matrix interphase, and an oxide fiber are attractive for high-temperature structural applications because of their inherent resistance to oxidation. Such a system has recently been evaluated using tension, tensile fatigue...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1996
ISBN-10: 0-8031-2404-X
ISBN: 978-0-8031-2404-2
... composites triaxially braided textiles 0° yarn content braid angle yarn size yarn spacing crimp angle modulus strength Poisson's ratio tension shear composite materials testing design John E. Masters 1 and Pierre J. Minguet 2 Effect of Preform Architecture on Modulus and Strength...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1994
ISBN-10: 0-8031-1442-7
ISBN: 978-0-8031-1442-5
... strength, modulus of rupture (beam flexural strength), and several deformation moduli. The results are normalized in terms of compaction moisture relative to optimum moisture content. Hydraulic Conductivity Landfill Cap Subsidence Distortion Flexure Tension Plasticity Compaction Shi-Chieh...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1994
ISBN-10: 0-8031-1864-3
ISBN: 978-0-8031-1864-5
... results showed that precycling can dramatically increase creep resistance. Cyclic loading at 1200°C also increases the strength of the material. ceramic silicon nitride tension creep fatigue fracture Jagannathan Sankar, ~ Srikanth Krishnaraj, 2 Ranji Vaidyanathan,z Ajit D. Kelkar, 1 ELEVATED...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1994
ISBN-10: 0-8031-1864-3
ISBN: 978-0-8031-1864-5
.... silicon nitride creep tension compression bending flexure neutral axis cracking stiffness Jonathan A. Salem I and Sung R. Choi 2 CREEP BEHAVIOR OF SILICON NITRIDE DETERMINED FROM CURVATURE AND NEUTRAL AXIS SHIFT MEASUREMENTS IN FLEXURE TESTS REFERENCE: Salem, J. A. and Choi, S. R., "Creep...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1994
ISBN-10: 0-8031-1894-5
ISBN: 978-0-8031-1894-2
... In 1975, we started a research project for the development of microexplosion lith-otripsy. In this project, we investigated the mechanical properties of the urinary tract organs to clarify factors to prevent complications from the method. Tension and expansion tests were performed on the middle...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1993
ISBN-10: 0-8031-1498-2
ISBN: 978-0-8031-1498-2
... microscope. It was found that failure occurred primarily with the cracks growing from the notch either fully within the matrix or along the fiber/matrix interface depending upon the far-field loading. notched tubes graphite/epoxy combined loading torsion failure analysis composites tension...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1993
ISBN-10: 0-8031-1498-2
ISBN: 978-0-8031-1498-2
... at ultimate failure, and ultimate strength are isolated and discussed. Furthermore, it is shown that first ply failure occurs in the surface plies as a result of normal rather than shear stresses. The implications of the experimental findings upon the validity of the ±45° tension test, which is used...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1993
ISBN-10: 0-8031-1498-2
ISBN: 978-0-8031-1498-2
...-static tension and compression tests were conducted on specimens with and without circular holes to determine strength, modulus, and failing strain. These tests showed that the measured static mechanical properties were insensitive to the type of matrix material because the laminate response...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1992
ISBN-10: 0-8031-1440-0
ISBN: 978-0-8031-1440-1
... The exact analytical solution for an embedded elliptical crack in an infinite body subjected to arbitrary loading was used in conjunction with the finite element alternating method to obtain crack-mouth-opening displacements (CMOD) for surface cracks in finite plates subjected to remote tension...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1992
ISBN-10: 0-8031-1482-6
ISBN: 978-0-8031-1482-1
... Thermal change loads in structural glazing should be of great concern to all and are every bit as important as the usually quoted tension loads imposed from the wind. Strong winds are an infrequent event in most areas of the country and the maximum wind load is approached infrequently. Thermal...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1991
ISBN-10: 0-8031-1419-2
ISBN: 978-0-8031-1419-7
... applicability of the model to angle-ply laminates with matrix cracks subjected to general in-plane loading. composite materials fracture fatigue (materials) matrix crack cross-ply laminate shear tension upper bound stiffness reduction internal state variable Jong- Won Lee, ~D. H. Allen, 1...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1991
ISBN-10: 0-8031-1419-2
ISBN: 978-0-8031-1419-7
... that occur for these laminates and the chosen stress fields. composite materials fatigue (materials) tension compression thermoplastic composites CF/PEEK failure mechanisms fracture Don C. Curtis, ~M a r k Davies, JD. R o y Moore, i and Barbara Slater ~ Fatigue Behavior of Continuous Carbon...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1990
ISBN-10: 0-8031-1287-4
ISBN: 978-0-8031-1287-2
...-carrying layer wavy patterns local ply curvature corrugated beam in-phase out-of-phase effective Young's modulus pseudostrain tension compression shear mode buckling moire interferometry moire fringe pattern Jong-Won Lee 1 and Charles E. Harris 2 A Deformation-Formulated Micromechanics Model...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1990
ISBN-10: 0-8031-1282-3
ISBN: 978-0-8031-1282-7
... This paper addresses the question, “Are the stress vs strain or modulus characteristics of various generic sealants the same in shear as they are in tension?” The ASTM tests and Federal Specifications for sealants address the joint movement ability of sealants when they are stressed in tension...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1989
ISBN-10: 0-8031-1196-7
ISBN: 978-0-8031-1196-7
... specimens were higher in the mold fill direction than those in the transverse orientation. short fiber glass carbon thermoplastics polyetherimide polyethersulfone polyetheretherketone low temperature tension compression fracture toughness Shi-Shen Yau I and Tsu-Wei Chou 2 Low-Temperature...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1989
ISBN-10: 0-8031-1196-7
ISBN: 978-0-8031-1196-7
... described in this paper concerns standardizing test methods for the industry and reviews the present status of test methods for determining composite design allowables. Test methods available for tension, compression, and shear are summarized and advantages and disadvantages of each are discussed. Based...