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Publikováno v:
Granular Matter. 4:71-76
This paper presents results of mechanical analyses of force distributions in three geometrically different loaded planar disc systems. For the calculations the disc systems are replaced by mechanically equivalent beam systems, and FEM then yields the
Autor:
M. Scherzer, H. Gläser
Publikováno v:
International Journal of Fracture. 114:291-306
This paper presents a simple mechanical explanation of two different experimentally verified crack patterns occurring in a thin TiN-layer coating on a steel substrate. The load stress state is generated on the concave side of a bending specimen where
Autor:
Th. Richter, H. Gläser
Publikováno v:
Computational Materials Science. 9:116-120
In the present work we show a simple way to describe the mechanical behaviour of an interface. In the recent history there was a lot of discussion about the modelling of multiphase materials. Generally, the interface is assumed as an ideal rigid boun
Publikováno v:
Macromolecules. 28:7831-7836
The effect of long-range density fluctuations on the primary (α-) relaxation in poly(methyl-p-tolylsiloxane) (PMpTS) was studied by means of light scattering. It is shown that the long-range density fluctuations (clusters) contribute only to the pol
Publikováno v:
Sportverletzung · Sportschaden. 9:84-91
The study is based on 128 basketball accidents. The following accident types were discovered: ankle sprains 54.7%, handling the ball (saving and catching) 15.6%, knee-joint-distorsions 10.2%, collisions, blows and kicks 11.7%, falls 3.9%, spontaneous
Publikováno v:
Acta Polymerica. 45:137-142
Static and dynamic light scattering measurements were performed on a glass-forming polymer, poly(methyl-p-tolylsiloxane) (PMpTS; Tg=−17°C), in a temperature range of 30°C to 120°C. It was found that long-range density fluctuations, so-called clu
Publikováno v:
Physical Review E. 49:2992-3002
The dynamics of the molecular glass-forming liquid orthoterphenyl above the glass-transition temperature was studied combining several experimental techniques: depolarized Raman, depolarized Rayleigh-Brillouin light scattering, and photon correlation
Autor:
A. Brzezinski, U. H. Gläser
Publikováno v:
physica status solidi (b). 177:439-447
Using an effective-medium model for the electrical resistivity the Boltzmann equation is solved for binary systems including spherical precipitates. The model reproduces the behaviour of the resistivity of aluminium alloys during ageing and particula
Autor:
H. Gläser
Publikováno v:
Acta Mechanica. 95:103-116
In this report a conception is represented to solve contact problems with friction between elastically and plastically deformable bodies. Several different accesses known from the literature are evaluated briefly. A general constitutive friction law