Zobrazeno 1 - 10
of 63
pro vyhledávání: '"E. Szewczak"'
Autor:
E. Szewczak, A. Piekarczuk
Publikováno v:
Bulletin of the Polish Academy of Sciences Technical Sciences. 64:675-686
The paper refers to the importance of test results uncertainty in the assessment of the construction product performance. Uncertainty understood as dispersion attributed to any value which is result of the tests, calculations or other evaluations, oc
Autor:
Adam Bondarzewski, E. Szewczak
Publikováno v:
Accreditation and Quality Assurance. 21:91-100
Tests and/or test items can sometimes be expensive, unique, or only performed in a few laboratories. There can be cases where assigned values are unknown, there is no information, or only poor information on the probability density function attribute
Publikováno v:
Materials
Volume 13
Issue 3
Materials, Vol 13, Iss 3, p 606 (2020)
Volume 13
Issue 3
Materials, Vol 13, Iss 3, p 606 (2020)
The laboratory testing of the construction materials and elements is a subset of activities inherent in sustainable building materials engineering. Two questions arise regarding test methods used: the relation between test results and material behavi
Autor:
E. Szewczak
Publikováno v:
MATERIAŁY BUDOWLANE. 1:17-19
Publikováno v:
Nanostructured Materials. 12:167-170
Elemental mixtures of Ti x Al 100−x (x=75, 50, 35 at.%) were mechanically alloyed in a vibratory ball mill and then hot pressed. This permitted us to obtain fully dense bulk samples of Ti-Al intermetallics with a grain size of the order of 10 2 nm.
Autor:
J.W. Wyrzykowski, E. Szewczak
Publikováno v:
Nanostructured Materials. 12:171-174
Nanocrystalline TixAl100−x (x=75, 50, 40,35 at.%) alloys were prepared by mechanical alloying. The influence of milling parameters (the milling equipment, milling time and energy) on the crystallite size of the alloys obtained as well as on the the
Publikováno v:
Materials Science and Engineering: A. 242:230-234
The structure of a metastable Ti(Al) hexagonal close packed (h.c.p.) solid solution obtained by mechanical alloying of the Al50Ti50 powder, was investigated using X-ray diffractometry (XRD). An analysis of the profiles shows physical broadening of (1
Publikováno v:
Materials Science Forum. :67-72
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