ライフサイエンスコーパス: microcrack

1 for the creation of the new surfaces of the microcrack.

2 ity of the bone matrix, and the evolution of microcracks.

3 interaction and coalescence of many tensile microcracks.

4 ess remodelling resulting in accumulation of microcracks.

5 tural levels, which occurs by the process of microcracking.

6 ly enhanced resistance to contact damage and microcracking.

7 at reducing perforations but may also cause microcrack accumulation, leading to a loss of microstruc

8 -ceramics (< 1 microm) showed minimal matrix microcracking and BFS values of [mean (SD) MPa]: M1A = 2

9 Although aspects such as hysteresis, microcracking and so on have to be taken into considerat

10 be lower, thereby limiting the formation of microcracks and minimizing the development of tangential

11 The geometry of these microcracks and their surrounding elastic stress fields

12 -type cracks as well as inter- and intra-rod microcracks, and that the lengths of these cracks are se

13 d-tissue with no visible damage, tissue with microcracks, and tissue with diffuse damage.

14 ystal-glass thermal mismatches which produce microcracking around larger crystals-agglomerates are as

15 The fraction of leucite particles with microcracks around them, f(mc), was estimated for each p

16 s manifested by the nucleation of many sharp microcracks at the external boundary that rapidly propag

17 hod is applied to image key features such as microcracks, carbides, heat affected zone, and dendrites

18 matrix constituents (collagen and mineral), microcrack characteristics, and trabecular architecture

19 ography, we have fully resolved sequences of microcrack damage as cracks grow under load at temperatu

20 growth involves small-scale, high-frequency microcracking damage localized near the crack tip.

21 The microcrack data were subjected to linear regression anal

22 The microcrack densities of four of the six porcelains and t

23 The microcrack densities were determined by quantitative ste

24 the magnitude of the increase or decrease in microcrack density after several firings is sufficiently

25 lly significant negative correlation between microcrack density and multiple firings (r2 = 0.15, p =

26 hly significant positive correlation between microcrack density and multiple firings (r2 = 0.24, p =

27 ), was estimated for each porcelain from the microcrack density and the leucite surface area.

28 rcelains that exhibit a measurable change in microcrack density as a function of multiple firings, th

29 Microcrack density, leucite particle surface area per un

30 ease crack length with a smaller increase in microcrack density.

31 l dental porcelains could produce changes in microcrack density.

32 : We reconstruct the complete spatiotemporal microcracking dynamics, with micrometer/nanosecond resol

33 ng acoustic phonon emissions from individual microcracking events we show that the onset of a seconda

34 e form of median-type cracks and distributed microcracks, extending preferentially along the boundari

35 e lattice potentially large enough to induce microcrack formation, which are abundant below the hypha

36 nsistent with observations of the closure of microcracks formed parallel to the covalent-sp(2)-bonded

37 This study provides evidence that microcracking in dental porcelain can be minimized by a

38 circumferential surface cracking, orthogonal microcracking in laminated sublayers and geometrically c

39 two energy-dissipating mechanisms: multiple microcracking in the outer layers at low mechanical load

40 a dental porcelain influences the degree of microcracking in the porcelain.

41 This contraction leads to the formation of microcracks in and around the crystals and the developme

42 show that the elastic stress around tensile microcracks in three dimensions promotes a mutual intera

43 Microcracking induced by thermal and mechanical fatigue

44 Our microcrack interaction model is based on the three-dimen

45 here is a critical particle size below which microcracking is absent.

46 Collectively, the main effect of microcracks is not to slow down fracture by increasing t

47 results suggest that mineral dissolution and microcracking may have acted in a synergistic way at the

48 nd the microfracture and deformation and the microcrack-microstructure interactions of teeth.

49 The ultrafast dynamics of microcrack nucleation, growth, and coalescence is inacce

50 This "fluid" spontaneously forms mode I microcracks or microanticracks that self-organize via th

51 We find that all individual microcracks propagate at the same low, load-independent

52 (P)/V(S) ratio, whose change is related with microcracking, rose from ~1.68 to ~1.8.

53 er perforations but more numerous and larger microcracks than both fracture and non-fracture controls

54 is known about bone microsctructure and the microcracks that are precursors to its fracture, but lit

55 porcelains are often partially encircled by microcracks that are the result of the thermal expansion

56 The microcracks that form around these leucite particles whe

57 itative stereology, whereby intersections of microcracks were counted with a test grid.

58 Unlike microcracking, which entails micrometer-level separation

59 Microcracks within individual enamel rods were also obse

60 is associated with more brittle fracture and microcracks without altering the average length of the c