Flexures: Elements of Elastic Mechanisms

Product Description
Flexures and flexure-based mechanisms are frequently found in instrumentation and machinery across a broad range of scientific applications. Specifically, these elements are used to connect rigid links in a way that provides stiff constraints in some directions, while, as a result of high compliance, enabling relatively free motion in others. Consequently, flexure mechanisms can be used in any application requiring precise motion control, particularly for small translations or rotations.
The purpose of this book is to present to the reader some basic flexure geometries and the analytic models whereby they may be assessed for specific design applications. Integration of these to produce useful mechanisms for precise motion control with fast dynamic response occupies a considerable portion of this text. This book will be useful for advanced undergraduate and graduate students embarking on any endeavor requiring competence in experimental and mechanical sciences, as well as practicing engineers and

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Auger Microprobe Analysis,

Product Description
Auger analysis can be used to identify all elements and is increasingly found in surface science laboratories as a means of producing compositional maps of surfaces at submicron resolutions. Auger Microprobe Analysis is both a working manual and a useful book of reference for experienced and inexperienced scientists in industrial, academic, or government laboratories. It describes the different types of Auger Microprobe and how they can be used to solve problems in many fields such as microcircuitry, materials failure, corrosion, tribology and environmental sampling. The book gives a thorough grounding in the subject, and for the scientist about to set up an Auger laboratory, there is detailed practical advice which is based upon the author’s own experience. The book covers every facet of Auger analysis including ultra high vacua, Auger signal detection, secondary electron microscopy and chemical bonding effects. It contains an extensive Auger related glossary and gives tables essential for qualitative and quantitative Auger analysis.

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Computer Methods and Experimental Measurements for Surface Effects and Contact Mechanics

Product Description
Contains most of the papers presented at the Eighth International Conference on Computer Methods and Experimental Measurements for Surface and Contact Mechanics., held in The New Forest, UK, May 16-18, 2007. The use of surface treatments can reduce the cost of components and extend the life of the elements. Their effect is of particular importance in the case of surfaces undergoing contact, a problem which is addressed throughout the book. Topics covered include: Surface treatments; Thin coatings; Surface problems in contact mechanics; Contact mechanics; Material surfaces in contact; Fracture and fatigue; and New applications.

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B-C-N Nanotubes and Related Nanostructures

Product Description

Carbon nanotubes (CNTs) and Boron nitride nanotubes (BNNTs) are part of the so-called B-C-N material system, which includes novel nanostructures of carbon (C), doped-carbon, boron (B), boron nitride (BN), carbon nitride (CN_x), boron-carbon nitride (B_xC_yN_z), and boron carbide (B_xC_y). BNNTs and CNTs are structurally similar and share extraordinary mechanical properties, but they differ in chemical, biological, optical, and electrical properties. Therefore, hybrid nanotubes constructed of B, C, N elements are expected to form a new class of nanotubes with tunable properties between those of CNTs and BNNTs. In addition, these B-C-N nanostructures will further enhance and complement the applications of CNTs and BNNTs. With contributions from leading experts, B-C-N Nanotubes and Related Nanostructures is the first book to cover all theoretical and experimental aspects of this emerging material system, and meets the need for a comprehensive summary of the tremendous advances in research on B-C-N materials in recent years.

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Ga interdiffusion of substrate during inas nanowire growth.

Chemical composition analysis shows that nanowires were composed of the indium, gallium and arsenic elements, all homogeneously distributed along the nanowire. The presence of Ga in the chemical composition of the nanowire was surprising because only indium and arsenide were used as precursors during the MBE growth. Our results has been found that a strong interdiffusion of gaas (111)B substrate occurs during growth, creating a ternary ingaas alloy in the nanowires

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