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Online since: August 2004
Authors: Joon Hyun Lee, Sang Woo Choi, Seung Hyun Kang, Bo Young Lee
The large number
of thermal cycles with great amplitude produced by stratification raises some concerns about the
damage induced by fatigue in these lines.
In addition, spurious signals scattered from various points of the crack surface and other sources such as micro cracks, inclusions and grain boundaries, will form a noisy background, which will interfere with the diffraction measurements [5].
In addition, spurious signals scattered from various points of the crack surface and other sources such as micro cracks, inclusions and grain boundaries, will form a noisy background, which will interfere with the diffraction measurements [5].
Online since: December 2011
Authors: Blair Kuys, Christine Thong
This potential material for development was called Vintorg and had a number of generic characteristics such as increased strength, density and dimensional stability [3].
For example, grain direction in appropriate joints for window frame construction.
For example, grain direction in appropriate joints for window frame construction.
Online since: July 2005
Authors: Saïd Ahzi, S. M'Guil
The
most widely used is Taylor's theory which assumes the deformation in each grain is equal to the
applied macroscopic deformation.
English and Chin [12], have studied the drawing texture of a number of FCC metals, and have represented the percentage of the <100> fiber as a function of the stacking-fault energy.
English and Chin [12], have studied the drawing texture of a number of FCC metals, and have represented the percentage of the <100> fiber as a function of the stacking-fault energy.
Online since: May 2004
Authors: Miha Drofenik, Darko Makovec, Aljoša Košak, M. Kristl
The formation of carbon
nanoarches or highly curved carbon nanostructures were reported to occur during the decomposition
process of coarse-grained graphite to amorphous-like graphite sheets produced by mechanical
alloying [9,10].
The observation of the mechanically treated mixture with TEM shows the presence of a relatively large number of nanostructures, which we shall denote as highly curved carbon nanostructures (HCCNs) (Fig. 3).
The observation of the mechanically treated mixture with TEM shows the presence of a relatively large number of nanostructures, which we shall denote as highly curved carbon nanostructures (HCCNs) (Fig. 3).
Online since: July 2013
Authors: K. Venkateswarlu, Rameshbabu Nagumothu, V. Muthupandi, D. Sreekanth, Sarangapani Kennedy, R. Viswanathan, M. Sandhya Rani
However, the SPS process has a number of advantages over similar sintering methods such as HP.
Grain boundaries are visible in the pure Mg sample after etching with 2 g of picric acid and 50 ml of ethanol (Fig. 3a).
Grain boundaries are visible in the pure Mg sample after etching with 2 g of picric acid and 50 ml of ethanol (Fig. 3a).
Online since: November 2012
Authors: Huai Ning Ruan, Di Wang, J. W. Ju
Comprehensive Model
2.1 Anisotropy
Anisotropic behavior is common for many soils and rocks due to preferred orientation of mineral grains or bedding planes.
Although there are a relatively large number of parameters in the proposed failure criterion, all of them can be determined in tests.
Although there are a relatively large number of parameters in the proposed failure criterion, all of them can be determined in tests.
Online since: July 2015
Authors: M. Rusop, S. Abdullah, Kevin Alvin Eswar, Mohd Husairi Fadzilah Suhaimi, Z.N. Atikah, A. Azlinda
The PSi surface is a sponge-like structure, which consists of a large number of pores on the surface help the ZnO nanostructures to incorporate into the pores.
As we see in Fig. 1(d-e), the surface morphology of the PSi surface has pores that are filled with small particles with a uniform grain size.
As we see in Fig. 1(d-e), the surface morphology of the PSi surface has pores that are filled with small particles with a uniform grain size.
Online since: July 2012
Authors: Yan Lai Zhang, Xiu Ping Li, Sasakawa Hideo
The 2,4-D treatment of seeds caused a substantial increase in root biomass and led to a significant improvement in the number of productive tillers, yields of straw and grain, and protein content of wheat grown in saline soil [3].
Online since: October 2012
Authors: Jie Gu, Dan Qing Ma, Wei Chen, Xiao Li Wang, Xin Qin
They pointed out that the water salinity and the sediment grain size were the critical influencing factors.
The total number of grid nodes is 277 in the x direction and 152 in the y direction (Fig.2), the minimum grid size is 300meter, and the maximum grid size is 3,500meter.
The total number of grid nodes is 277 in the x direction and 152 in the y direction (Fig.2), the minimum grid size is 300meter, and the maximum grid size is 3,500meter.
Online since: June 2014
Authors: Gabriel Racz, Octavian Bologa, Carmen Cotigă, Radu Eugen Breaz
Table.1 Chemical composition of Ti6Al4V titanium alloy
Experiments and results
Pure titanium and α+β -type titanium alloys, including the Ti-6Al-4V ELI and Ti-6Al-4V, were originally designed for use as general structural materials, especially for aerospace structures, and only later adopted for biomedical applications. [7]
Titanium alloys, due to the hexagonal crystal structure, have a limited number of active slip systems and thus possess limited formability at room temperature [8].
This range has been selected because between room temperature and 650°C the regime is the conventional work hardening which is then increasingly counterbalanced by recovery with increasing temperature and between 750°C and SP deformation is active but influenced by dynamic recrystallization and dynamic grain growth, while at 800°C all parameters are optimal for superplasticity [10].
This range has been selected because between room temperature and 650°C the regime is the conventional work hardening which is then increasingly counterbalanced by recovery with increasing temperature and between 750°C and SP deformation is active but influenced by dynamic recrystallization and dynamic grain growth, while at 800°C all parameters are optimal for superplasticity [10].