A Study on the Contribution of Contact Interface Area on Sensitivity of PEDOT: PSS Films to Jasmine Aroma

2021 ◽  
pp. 135-144
Author(s):  
P. Rekha ◽  
S. Bindu ◽  
Subodh Kumar Panda
Keyword(s):  
Contact Interface ◽  
Interface Area

scholarly journals Principal Risk of Peritumoral Edema After Stereotactic Radiosurgery for Intracranial Meningioma Is Tumor-Brain Contact Interface Area

Neurosurgery ◽  
2010 ◽  
Vol 66 (3) ◽  
pp. 513-522 ◽  
Author(s):  
Rongsheng Cai ◽  
Gene H. Barnett ◽  
Eric Novak ◽  
Samuel T. Chao ◽  
John H. Suh
Keyword(s):  
Risk Factors ◽  
Multivariate Analysis ◽  
Stereotactic Radiosurgery ◽  
Tumor Volume ◽  
Significant Risk ◽  
Intracranial Meningioma ◽  
Peritumoral Edema ◽  
Contact Interface ◽  
Interface Area ◽  
Previous Surgery

Abstract OBJECTIVE Stereotactic radiosurgery (SRS) of meningiomas is associated with posttreatment peritumoral edema (PTE). The purpose of this study was to evaluate the prevalence and risk factors of post-SRS PTE for intracranial meningiomas. METHODS A total of 163 patients with 182 meningiomas treated with SRS were retrospectively reviewed. Tumors were divided into 4 pre-SRS groups according to whether they had undergone previous surgery and whether they had preexisting PTE. Several risk factors were investigated by univariate and multivariate analysis in all tumors, tumors without previous surgery, tumors without preexisting PTE, and preexisting PTE. RESULTS Of 182 tumors, 45 (24.7%) developed post-SRS PTE. Compared with tumors without preexisting PTE, the odds of developing post-SRS PTE in tumors with preexisting PTE were 6.0 times higher in all tumors, and 6.9 times higher in tumors without previous surgery. A 1-cm2 increase in tumor-brain contact interface area increased the odds of developing post-SRS PTE by 17% in all tumors, 16% in tumors without previous surgery, and 26% in tumors without preexisting PTE. Of 118 tumors without previous surgery, 13 had preexisting PTE, the existence of which had a significant relationship to both tumor-brain contact interface area and tumor volume. CONCLUSION Post-SRS PTE is common in patients with meningioma. Tumor-brain contact interface area and preexisting PTE were the most significant risk factors for post-SRS PTE. Tumor volume and tumor-brain contact interface area were significant risk factors for the development of preexisting PTE.

Effect of contact interface area on sensitivity of PEDOT: PSS films to jasmine aroma

2020 ◽  
Author(s):  
Rekha Puttaswamy ◽  
Bindu Shivashankara ◽  
Subodh Kumar Panda
Keyword(s):  
Contact Interface ◽  
Interface Area

BRUSHFORM 65

Alloy Digest ◽  
2013 ◽  
Vol 62 (6) ◽  
Keyword(s):  
Physical Properties ◽  
Tensile Properties ◽  
Contact Force ◽  
Temperature Rise ◽  
Power Loss ◽  
High Reliability ◽  
Superior Performance ◽  
Contact Interface ◽  
Resistive Heating ◽  
Computer Power

Abstract BrushForm 65 is designed for both superior performance and high reliability in appliance, automotive, and computer power applications. Alloy BF-65’s combination of properties limits power loss at the contact interface, controls temperature rise from resistive heating, and provides stable contact force at temperatures to 200 C (390 F). This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fatigue. It also includes information on forming. Filing Code: Cu-821. Producer or source: Materion Brush Performance Alloys.

Improving the Organic Semiconductor- Metal Contact Interface in Printed High Performance Organic TFTs

2012 ◽  
Vol 1402 ◽  
Author(s):  
Kanan Puntambekar ◽  
Lisa Stecker ◽  
Kurt Ulmer ◽  
Themistokles Afentakis ◽  
Steven Droes
Keyword(s):  
Organic Semiconductor ◽  
High Performance ◽  
Thin Film Transistor ◽  
Device Performance ◽  
Organic Thin Film ◽  
Contact Interface ◽  
Organic Thin Film Transistor ◽  
Metal Electrodes ◽  
Free Surfaces ◽  
Gas Plasma

ABSTRACTOptimization of the interface between the organic semiconductor (OSC) & the source-drain (S/D) electrode is critical in order to improve organic thin film transistor (OTFT) device performance. This process typically involves coating the metal S/D electrodes with an optimal self-assembled thiol layer; a process that requires pristine metal surfaces for successful treatment. Obtaining contamination free surfaces can be challenging in the case of printed metal electrodes. Here we demonstrate an effective strategy to address this issue by introducing a brief low power forming gas plasma treatment prior to the surface coating step. We show a two orders of magnitude decrease in the contact resistance as a result of this treatment.

Friction Force and Stresses Analysis for Contact of Assembled Details

2006 ◽  
Vol 113 ◽  
pp. 334-338
Author(s):  
Z. Dreija ◽  
O. Liniņš ◽  
Fr. Sudnieks ◽  
N. Mozga
Keyword(s):  
Mechanical Properties ◽  
Surface Roughness ◽  
Plastic Deformation ◽  
Friction Force ◽  
Sliding Friction ◽  
Friction Model ◽  
Contact Interface ◽  
Finite Element Program ◽  
Elastic Plastic ◽  
Element Program

The present work deals with the computation of surface stresses and deformation in the presence of friction. The evaluation of the elastic-plastic contact is analyzed revealing three distinct stages that range from fully elastic through elastic-plastic to fully plastic contact interface. Several factors of sliding friction model are discussed: surface roughness, mechanical properties and contact load and areas that have strong effect on the friction force. The critical interference that marks the transition from elastic to elastic- plastic and plastic deformation is found out and its connection with plasticity index. A finite element program for determination contact analysis of the assembled details and due to details of deformation that arose a normal and tangencial stress is used.

Engineering the Band Offsets at the Back Contact Interface for Efficient Kesterite CZTSSe Solar Cells

2020 ◽  
Vol 3 (11) ◽  
pp. 10976-10982
Author(s):  
Afei Zhang ◽  
Zhaoyang Song ◽  
Zhengji Zhou ◽  
Yueqing Deng ◽  
Wenhui Zhou ◽  
...  
Keyword(s):  
Solar Cells ◽  
Back Contact ◽  
Contact Interface ◽  
Band Offsets

scholarly journals Anti-Galling Cold, Dry Forging of Pure Titanium by Plasma-Carburized AISI420J2 Dies

2021 ◽  
Vol 11 (2) ◽  
pp. 595
Author(s):  
Tatsuhiko Aizawa ◽  
Tomoaki Yoshino ◽  
Yohei Suzuki ◽  
Tomomi Shiratori
Keyword(s):  
Pure Titanium ◽  
Solid Lubrication ◽  
Cold Forging ◽  
Contact Interface ◽  
Metallic Titanium ◽  
Low Friction ◽  
Debris Particles ◽  
Titanium Wire ◽  
Oxide Debris

A bare AISI420J2 punch often suffers from severe adhesion of metallic titanium as well as titanium oxide debris particles in dry, cold forging of biomedical titanium alloys. This punch was plasma-carburized at 673 K for 14.4 ks to harden it up to 1200 HV on average and to achieve carbon supersaturation in the carburized layer. This plasma-carburized punch was employed in the cold, dry forging of a pure titanium wire into a flat plate while reducing the thickness by 70%. The contact interface width approached the forged workpiece width with increasing the reduction ratio. This smaller bulging deformation reveals that the workpiece is upset by homogeneous plastic flow with a lower friction coefficient. This low-friction and anti-galling forging process was sustained by an in situ solid lubrication mechanism. Unbound free carbon was isolated from the carbon-supersaturated AISI420J2 matrix and deposited as a thin tribofilm to protect the contact interface from mass transfer of metallic titanium.

Finite Element Analysis of Reinforced Concrete Beams with Exterior FRP Shell

2011 ◽  
Vol 243-249 ◽  
pp. 1461-1465
Author(s):  
Chuan Min Zhang ◽  
Chao He Chen ◽  
Ye Fan Chen
Keyword(s):  
Mechanical Properties ◽  
Finite Element Analysis ◽  
Finite Element ◽  
Reinforced Concrete ◽  
Concrete Beams ◽  
Reinforced Concrete Beams ◽  
Test Results ◽  
Contact Interface ◽  
Accurate Calculation ◽  
Element Analysis

The paper makes an analysis of the reinforced concrete beams with exterior FRP Shell in Finite Element, and compares it with the test results. The results show that, by means of this model, mechanical properties of reinforced concrete beams with exterior FRP shell can be predicted better. However, the larger the load, the larger deviation between calculated values and test values. Hence, if more accurate calculation is required, issues of contact interface between the reinforced concrete beams and the FRP shell should be taken into consideration.

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