On-Line Control for the Pore Size of Bone Scaffold Based on LDM

2012 ◽  
Vol 522 ◽  
pp. 788-792 ◽  
Author(s):  
Yuan Yuan Liu ◽  
Zhen Zhong Han ◽  
Shu Hui Fang ◽  
Da Li Liu ◽  
Ying Liu ◽  
...  
Keyword(s):  
Low Temperature ◽  
Pore Size ◽  
Complex Function ◽  
Processing Parameters ◽  
Key Factors ◽  
Artificial Regeneration ◽  
Tissue Scaffold ◽  
On Line ◽  
Temperature Deposition ◽  
The Ideal

The scaffold is a key part of the artificial regeneration osseous tissues. The ideal scaffold will have the ability to mimic the fully functional tissue, which can afford the fibrous form and complex function of the native ECM. Although Low-temperature deposition manufacturing is a promising method for fabricate tissue scaffold because scaffold can maintain a good performance of biomaterials in low temperature, the scaffold pore size can not be controlled according to demands. Therefore, the key factors that affect the pore size of bone scaffolds are firstly analyzed. Then the mechanism for on-line control is given. Finally, an automatic control system is proposed and some experimental results are given, which have demonstrated the effects of processing parameters on the Shaping of scaffold material.

Role of boundaries in the crystallization of amorphous films

1988 ◽  
Vol 46 ◽  
pp. 626-627
Author(s):  
D. A. Smith
Keyword(s):  
Low Temperature ◽  
Amorphous State ◽  
Nucleation And Growth ◽  
Amorphous Films ◽  
Island Nucleation ◽  
Surface Steps ◽  
Transmission Electron ◽  
Component Systems ◽  
Temperature Deposition

The nucleation and growth processes which lead to the formation of a thin film are particularly amenable to investigation by transmission electron microscopy either in situ or subsequent to deposition. In situ studies have enabled the observation of island nucleation and growth, together with addition of atoms to surface steps. This paper is concerned with post-deposition crystallization of amorphous alloys. It will be argued that the processes occurring during low temperature deposition of one component systems are related but the evidence is mainly indirect. Amorphous films result when the deposition conditions such as low temperature or the presence of impurities (intentional or unintentional) preclude the atomic mobility necessary for crystallization. Representative examples of this behavior are CVD silicon grown below about 670°C, metalloids, such as antimony deposited at room temperature, binary alloys or compounds such as Cu-Ag or Cr O2, respectively. Elemental metals are not stable in the amorphous state.

Fabrication of Chitosan-nanohydroxyapatite Scaffolds via Low-temperature Deposition Manufacturing

2011 ◽  
Vol 26 (1) ◽  
pp. 12-16 ◽  
Author(s):  
Xiong-Fei ZHENG ◽  
Wen-Jie ZHAI ◽  
Ying-Chun LIANG ◽  
Tao SUN
Keyword(s):  
Low Temperature ◽  
Low Temperature Deposition ◽  
Temperature Deposition

Coiraite, (Pb,Sn2+)12.5As3Fe2+Sn4+5 S28: a franckeite-type new mineral species from Jujuy Province, NW Argentina

2008 ◽  
Vol 72 (5) ◽  
pp. 1083-1101 ◽  
Author(s):  
W. H. Paar ◽  
Y. Moëlo ◽  
N. N. Mozgova ◽  
N. I. Organova ◽  
C. J. Stanley ◽  
...  
Keyword(s):  
Low Temperature ◽  
Microprobe Analysis ◽  
Electron Microprobe Analysis ◽  
Mineral Species ◽  
New Mineral ◽  
Hydrothermal Solutions ◽  
X Ray ◽  
New Mineral Species ◽  
Primary Mineral ◽  
The Ideal

AbstractCoiraite, ideally (Pb,Sn2+)12.5As3Fe2+Sn4+S28, occurs as an economically important tin ore in the large Ag-Sn-Zn polymetallic Pirquitas deposit, Jujuy Province, NW-Argentina. The new mineral species is the As derivative of franckeite and belongs to the cylindrite group of complex Pb sulphosalts with incommensurate composite-layered structures. It is a primary mineral, frequently found in colloform textures, and formed from hydrothermal solutions at low temperature. Associated minerals are franckeite, cylindrite, pyrite-marcasite, as well as minor amounts of hocartite, Ag-rich rhodostannite. arsenopyrite and galena. Laminae of coiraite consist of extremely thin bent platy crystals up to 50 urn long. Electron microprobe analysis (n = 31) gave an empirical formula Pb11.21As2.99Ag0.13Fe1.10Sn6.13S28.0 close to the ideal formula (Pb11.3Sn2+1.2)Σ=12.5As3Fe2+Sn4+S28. Coiraite has two monoclinic sub-cells, Q (pseudotetragonal) and H (pseudohexagonal). Q: a 5.84(1) Å, b 5.86(1) Å, c 17.32(1) Å, β 94.14(1)°, F 590.05(3) Å3, Z = 4, a:b:c = 0.997:1:2.955; H (orthogonal setting): a 6.28(1) Å, b 3.66(1) Å, c 17.33(1) Å, β 91.46(1)°, V398.01(6) Å3, Z = 2, a∶b∶c = 1.716∶1∶4.735. The strongest Debye-Scherrer camera X-ray powder-diffraction lines [d in Å, (I), (hkl)] are: 5.78, (20), (Q and H 003); 4.34, (40), (Q 004); 3.46, (30), (Q and H 005); 3.339, (20), (Q 104); 2.876, (100), (Q and H 006); 2.068, (60), (Q 220).

Low temperature deposition of BiFeO3 films on Ti foils for piezoelectric applications

2021 ◽  
Vol 204 ◽  
pp. 114152
Author(s):  
Jing Yan ◽  
Jun Ouyang ◽  
Hongbo Cheng ◽  
Peng Yan
Keyword(s):  
Low Temperature ◽  
Low Temperature Deposition ◽  
Temperature Deposition

Comparative analysis of China (Han) & Bangladesh cultural authentication and transformation context on “Motif Design”

2021 ◽  
Vol 7 (1) ◽  
pp. 1-10
Author(s):  
Md Moniruzzaman ◽  
Md Eanamul Haque Nizam ◽  
Md Tanjubul Hasan ◽  
Md Ahosanul Karim ◽  
Maria Afrin Shammi ◽  
...  
Keyword(s):  
Design Pattern ◽  
Research Team ◽  
Fashion Design ◽  
Key Factors ◽  
Cultural Elements ◽  
Historical Progress ◽  
Fashion Designers ◽  
Two Sides ◽  
Day By Day ◽  
The Ideal

Now a day, fashion design and clothing manufacturing is going to update day by day. Modern fashion designers are interested to work with the new color, trend, design, pattern, cutline. “Motif Design" and its application may have been a positive way to deal with the ideal tasteful look, while social confirmation and diversification have been considered as key factors. In this study, the author tries to investigate the cultural elements motif between Bangladesh and china (Han). The author investigates different Blogs, magazines, journals, and websites used for the analysis. In order to make this research authentic and credible different local and international published books and articles have been studied. Different websites helped by representing historical progress and reference of the information which adorned in this research. Few Bangladeshi and Chinese apparel fashion brands those who worked with traditional costume were also a way to understand today's influence of Cultural elements. After the analysis, the author finds some features of motif like style, positioning, color and pattern. The research team analyzes those points from the view of two sides. Then the authors finally find out the key similarities from the analysis between the two countries. From the finding, the author designs (flat sketch) a series of dresses for the Contemporary market for future sustainability.

Low‐temperature deposition of Y‐Ba‐Cu‐O films on a CaF2/GaAs substrate

1989 ◽  
Vol 54 (4) ◽  
pp. 383-385 ◽  
Author(s):  
K. Mizuno ◽  
M. Miyauchi ◽  
K. Setsune ◽  
K. Wasa
Keyword(s):  
Low Temperature ◽  
Gaas Substrate ◽  
Low Temperature Deposition ◽  
Temperature Deposition
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