scholarly journals Fabrication, Structure and Properties of Nanostructured Ceramic Membranes

10.5772/38151 ◽  
2012 ◽  
Author(s):  
Ian W. M. Brown ◽  
Jeremy P. ◽  
Geoff Smith
Keyword(s):  
Ceramic Membranes ◽  
Structure And Properties ◽  
Nanostructured Ceramic

Separation Performance of Nanostructured Ceramic Membranes: Analytical Model Development

2018 ◽  
Vol 43 (3) ◽  
pp. 245-253 ◽  
Author(s):  
Mashallah Rezakazemi ◽  
Saeed Shirazian
Keyword(s):  
Analytical Model ◽  
Ceramic Membrane ◽  
Porous Ceramic ◽  
Model Development ◽  
Ceramic Membranes ◽  
Hydrogen Gas ◽  
Separation Performance ◽  
Diffusivity Coefficient ◽  
Predictive Tool ◽  
Nanostructured Ceramic

AbstractNanostructured ceramic membranes have shown considerable separation performance. In this work, an analytical model is developed to evaluate the separation performance of porous ceramic membranes in gas separation applications. The model takes into account three layers, i. e., (1) active layer, (2) interlayer, and (3) support layer. For estimation of sorption at the interface of feed stream and membrane, the partition coefficient model was used and the unsteady-state conservation of mass equation coupled to molecular models of the diffusivity coefficient was used to predict the permeation of penetrant hydrogen gas through a ceramic membrane. It was observed that the model can be readily applied to other systems of interest as a predictive tool.

scholarly journals Improved Carbon Dioxide Capture Using Nanostructured Ceramic Membranes

2013 ◽  
Vol 04 (03) ◽  
pp. 125-128 ◽  
Author(s):  
Ngozi Claribelle Nwogu ◽  
Edward Gobina ◽  
Mohammed Nasir Kajama
Keyword(s):  
Carbon Dioxide ◽  
Carbon Dioxide Capture ◽  
Ceramic Membranes ◽  
Nanostructured Ceramic

Improvement of Thermal Stability of Porous Nanostructured Ceramic Membranes

1994 ◽  
Vol 33 (4) ◽  
pp. 860-870 ◽  
Author(s):  
Yue-Sheng Lin ◽  
Chih-Hong Chang ◽  
Ramakrishnan Gopalan
Keyword(s):  
Thermal Stability ◽  
Ceramic Membranes ◽  
Nanostructured Ceramic ◽  
Thermal Stability Of

Structure of second phases in TiAl alloys containing Cr and B

1991 ◽  
Vol 49 ◽  
pp. 576-577
Author(s):  
Ernest L. Hall ◽  
Shyh-Chin Huang
Keyword(s):  
Grain Size ◽  
Second Phase ◽  
Structure And Properties ◽  
Tial Alloys ◽  
Second Phases ◽  
Interstitial Elements

Addition of interstitial elements to γ-TiAl alloys is currently being explored as a method for improving the properties of these alloys. Previous work in which a number of interstitial elements were studied showed that boron was particularly effective in refining the grain size in castings, and led to enhanced strength while maintaining reasonable ductility. Other investigators have shown that B in γ-TiAl alloys tends to promote the formation of TiB2 as a second phase. In this study, the microstructure of Bcontaining TiAl alloys was examined in detail in order to describe the mechanism by which B alters the structure and properties of these alloys.

Relationships between hierarchical structure and properties in macromolecular systems

1987 ◽  
Vol 45 ◽  
pp. 440-443
Author(s):  
E. Baer
Keyword(s):  
Uniaxial Tension ◽  
Hierarchical Structure ◽  
Inorganic Material ◽  
Hierarchical Structures ◽  
Bone Collagen ◽  
Structure And Properties ◽  
Connective Tissues ◽  
Scale Level ◽  
Fibrous Protein ◽  
Macromolecular Systems

The most advanced macromolecular materials are found in plants and animals, and certainly the connective tissues in mammals are amongst the most advanced macromolecular composites known to mankind. The efficient use of collagen, a fibrous protein, in the design of both soft and hard connective tissues is worthy of comment. Very crudely, in bone collagen serves as a highly efficient binder for the inorganic hydroxyappatite which stiffens the structure. The interactions between the organic fiber of collagen and the inorganic material seem to occur at the nano (scale) level of organization. Epitatic crystallization of the inorganic phase on the fibers has been reported to give a highly anisotropic, stress responsive, structure. Soft connective tissues also have sophisticated oriented hierarchical structures. The collagen fibers are “glued” together by a highly hydrated gel-like proteoglycan matrix. One of the simplest structures of this type is tendon which functions primarily in uniaxial tension as a reinforced elastomeric cable between muscle and bone.

The Structure and Properties of MoSi2 Thin Film in Mos Process

1980 ◽  
Vol 38 ◽  
pp. 326-327
Author(s):  
C.K. Wu ◽  
P. Chang ◽  
N. Godinho
Keyword(s):  
Thin Film ◽  
Integrated Circuits ◽  
High Performance ◽  
Large Scale ◽  
Process Development ◽  
Structure And Properties ◽  
Metal Silicides ◽  
High Oxidation ◽  
Important Approach ◽  
High Oxidation Resistance

Recently, the use of refractory metal silicides as low resistivity, high temperature and high oxidation resistance gate materials in large scale integrated circuits (LSI) has become an important approach in advanced MOS process development (1). This research is a systematic study on the structure and properties of molybdenum silicide thin film and its applicability to high performance LSI fabrication.

Structure and properties of H5O2+

1991 ◽  
Vol 88 ◽  
pp. 411-420 ◽  
Author(s):  
D Peeters ◽  
G Leroy
Keyword(s):  
Structure And Properties
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