Structural properties of Amorphous Materials

Ngày tải lên: 21/06/2014, 05:42

... contact, 246 Static properties of granular materials typically hundreds of grains. We start with a review of such experiments performed in different situations (geometry of the pile, the silo ... probably one of the issues that has been at the origin of the interest of many physicists for granular materials [359]. The last point of this subsection will be dedicated to th...

Ngày tải lên: 01/11/2013, 08:20

... Inc. Æ À1 ¼1=5boundaryisoneinwhich1in5ofthegrainboundaryatoms match,asshowninFig.2.8(c). Twinboundariesmayformwithincrystals.Suchboundarieslieacross deformationtwinplanes,asshowninFig.2.8(d).Notethattheatomson eithersideofthetwinplanesaremirrorimages.Stackingfaultsmayalsobe formedwhentheperfectstackinginthecrystallinestackingsequenceis disturbed,Figs2.8(e)and2.8(f).Thesemaybethoughtofastheabs...

Ngày tải lên: 23/12/2013, 00:15

... macroscopic level of understanding of structure [Figs 16(a)–(d)]. They are often unaware of the atomic and micro- structural constituents that can affect the mechanical behavior of materials and of the ... types/ classes of materials. Following a brief introduction to materials science and basic strength of materials, the fundamentals of elasticity and plasticity are p...

Ngày tải lên: 23/12/2013, 00:15

... solution structure of the monomeric and trimeric forms of SV-IV. Experimental CD spectra were deconvoluted into secon- dary -structural elements and compared with structural predictions. Finally, details of the ... level of acetylation of a peptide was estimated on the basis of the intensity ratio of the native and acetylated species. From the data summar- ized in Table 1, it...

Ngày tải lên: 07/03/2014, 14:20

... macroscopic level of understanding of structure [Figs 16(a)–(d)]. They are often unaware of the atomic and micro- structural constituents that can affect the mechanical behavior of materials and of the ... treatment of the fundamen- tals of the mechanical behavior of materials. The text provides a rigorous review of the fundamental mechanics aspects of the mechanical...

Ngày tải lên: 14/03/2014, 17:44

... combination of dierent nucleation and growth processes can give rise to dierent forms of SiONWs, which is similar to the growth model of Si nanowires [20]. The formation process of polyp-shaped ... [17]. The growth of the nanowires Fig. 2. XPS of the sample. (a) survey spectrum of the sample; (b) Si2p binding energy spectrum; (c) O1s binding energy spectrum. Fig. 3. PL spectru...

Ngày tải lên: 16/03/2014, 15:07

... case of amorphous nanowires whereas the latter is based on the three-step mechan- ism involving (i) diffusion of Si/SiO x vapors into the metal particles, (ii) formation of liquid droplet of metal ... agglomerated clusters consisting of high density of nanowires. The magnified view of a single cluster is depicted in the inset of Fig. 2(d). These observations suggest that grow...

Ngày tải lên: 16/03/2014, 15:18

... The effect of geometrical parameters and material properties of face sheets and core are studied on the face wrinkling of sandwich plates. Comparison of the present results with those of plate ... the masonry in tension, mechanism of opening and closing of cracks under cyclic load, transfer of shear stresses, anisotropic properties of strength and stiffness of masonry...

Ngày tải lên: 16/03/2014, 22:20

... GFP CDSSTR 5426 20 5 24 37 6 25 45 5 24 65 6 25 90 7 23 a Percent of total sum of secondary structure. Structural properties of semenogelin I J. Malm et al. 4506 FEBS Journal 274 (2007) 4503–4510 ... mechanisms of gel formation in seminal plasma, we studied SgI with regard to its structural properties and the influence of Zn 2+ on those characteristics. The degree and stabili...

Ngày tải lên: 23/03/2014, 07:20