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Ductile–brittle transition temperature of polylactic acid-based biocomposite

Journal of Thermoplastic Composite Materials, 2011
Almost all materials exhibit sensitivity of mechanical properties to temperature. Polylactic acid (PLA), an amorphous polymeric material, also exhibits this type of behavior. Because of its limited application in structural purpose, very few journals and articles study the ductile–brittle transition temperature (DBTT) of polymeric materials, especially
MR Kaiser, H Anuar, SBA Razak
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A quantitative relation for the ductile-brittle transition temperature in pipeline steel

Scripta Materialia
Chunlei Shang, Junheng Gao, Xiaoye Zhou   +2 more
exaly   +2 more sources

Constraint Effect on Fracture in Ductile-Brittle Transition Temperature Region

Volume 1: Codes and Standards, 2021
Abstract Bend fracture tests using flat plate specimens of 50mm thickness with a surface crack, 1TC(T), and SE(B) specimens of low alloy steel were performed in the ductile-brittle transition temperature (DBTT) region. Two types of SE(B) specimen, a/W = 0.1 and 0.5, were used.
Kiminobu Hojo, Takatoshi Hirota, Yasuto Nagoshi, Takuya Fukahori, Kimihisa Sakima, Mitsuru Ohata, Fumiyoshi Minami   +6 more
openaire   +1 more source

Numerical investigation of the brittle-to-ductile transition temperature of rolled high-purity tungsten [PDF]

Mechanics of Materials, 2020
With increasing temperature, high-purity tungsten typically shows a sharp transition from fully brittle behaviour to a significantly more ductile response.
M A Oude Vrielink, J A W Van Dommelen, M G D Geers   +2 more
exaly   +3 more sources

Statistical method of determining ductile-brittle transition temperature

Metal Science and Heat Treatment, 1973
1. By physical nature the critical brittleness temperature is a random variable and can be represented by the statistical distribution. 2. For steel 20L the type of fracture is a more accurate criterion for determining Tcri than the impact strength, and the standard deviation of % D increases sharply in the critical temperature range ...
N. A. Kostenko, F. A. Bekerman, I. S. Petrunina   +2 more
openaire   +1 more source

Ductile-brittle transition in steels at near-solidus temperatures

Metal Science and Heat Treatment, 2006
A complex study of the nature of the little-investigated phenomenon of high-temperature brittleness of steels, i.e., the ductile-brittle transition observed in the temperature range t = (0.92–0.98)tmelt, is described. Regular features in the behavior of mechanical properties of low-alloy steels in this temperature range are considered.
V. V. Zabil’skii, R. M. Nikonova
openaire   +1 more source

Variation of ductile-brittle transition temperature with grain size

Strength of Materials, 1977
1. The variation of the ductile-brittle transition temperature with grain size is determined not only by the temperature dependence of the yield strength but also by the temperature dependence of the surface energy of brittle cracks. 2.
N. L. Kareta, V. G. Mazur
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Stress relaxation and the ductile-brittle transition temperature of molybdenum

Acta Metallurgica, 1966
Abstract The technique of stress relaxation has been used to study plastic deformation prior to yielding or fracture in molybdenum specimens which were tested both above and below the ductile-brittle transition temperature. From the results, it was found that some dislocations were mobile prior to brittle fracture, lending support to the ideas ...
G.A Sargent, B.J Shaw
openaire   +1 more source