The elasticity mixed boundary values problems dealing with half-space contact are generally well resolved. A large number of these solutions are obtained by using the integral transformation method and methods based the integral equations. However, the problems of finite layer thicknesses are less investigated, despite their practical interests. This study resolves a quasi-stationary problem of...

An experimental study has been conducted on the penetration of silicone rubbers and human skin in vivo by sharp-tipped and flat-bottomed cylindrical punches. A penetrometer was developed to measure the penetration of human skin in vivo, while a conventional screw-driven testing machine was used to penetrate the silicone rubbers. The experiments reveal that the penetration mechanism of a soft so...

Scored tablets enable modulation of the drug dose and intake by elderly, pediatric dysphagic patients. However, they are known to involve difficulties in splitting, problems mass uniformity portions loss on breaking. A new punch designed for manufacturing convex-faced cylindrical easy-breakable (EBTs) was proposed. The upper exhibited a pronounced cross ridge two curvatures, peripheral one havi...

Abstract Using an innovative experimental set-up (Punch-Through Shear test), we initiated a shear zone (microfault) in Flechtingen sandstone and Odenwald granite under situ reservoir conditions while monitoring permeability fracture dilation evolution. The zone, which has cylindrical geometry, is produced by self-designed piston assembly that punches down the inner part of sample. Permeability ...

While self-controlled practice has been shown to enhance motor learning with various populations and novel tasks, it remains unclear if such effects would be found with athletes completing familiar tasks. Study 1 used a single case-study design with a world-champion kickboxer. We investigated whether giving the athlete a choice over the order of punches would affect punching velocity and impact...

R. Winkler,* A. Gade, T. Baugher, D. Bazin, B. A. Brown, T. Glasmacher, G. F. Grinyer, R. Meharchand,* S. McDaniel, A. Ratkiewicz, and D. Weisshaar National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA (Received 27 February 2012; published 30 Ap...

The aim of this study is to investigate the effects various ceramic-based coatings on performance AISI M2 high-speed steel punch used in nut piercing process. punches were coated with TiN, TiN/CrN, and CrAlN utilizing a physical vapour deposition method. total stroke number was evaluate tool life CrAlN, TiN/CrN punches. able work up greater numbers than TiN CrAlN. Hardness wear tests performed ...

BACKGROUND The purpose of this study is to investigate the feasibility, accuracy, and limitations of ultrasound (US)-guided core needle biopsy (CNB) with multiple punches in the diagnosis of lymphoma in the whole body. METHODS From March 2007 to October 2013, US-guided CNB with multiple punches was performed by well-experienced radiologists in 110 patients (CNB group), and surgical biopsy was...