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Book part
Publication date: 3 November 2017

Graham Taylor

Free Access. Free Access

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Understanding Brexit
Type: Book
ISBN: 978-1-78714-679-2

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Article
Publication date: 5 October 2010

212

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International Journal of Health Care Quality Assurance, vol. 23 no. 8
Type: Research Article
ISSN: 0952-6862

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Article
Publication date: 3 April 2009

Sara Cervai and Tauno Kekale

335

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Journal of Workplace Learning, vol. 21 no. 3
Type: Research Article
ISSN: 1366-5626

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Book part
Publication date: 12 November 2008

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Autism and Developmental Disabilities: Current Practices and Issues
Type: Book
ISBN: 978-1-84855-357-6

Available. Open Access. Open Access
Article
Publication date: 12 October 2018

Joseph Henry Robinson, Ian Robert Thomas Ashton, Eric Jones, Peter Fox and Chris Sutcliffe

This paper aims to present an investigation into the variation of scan vector hatch rotation strategies in selective laser melting (SLM), focussing on how it effects density…

6005

Abstract

Purpose

This paper aims to present an investigation into the variation of scan vector hatch rotation strategies in selective laser melting (SLM), focussing on how it effects density, surface roughness, tensile strength and residual stress.

Design/methodology/approach

First the optimum angle of hatch vector rotation is proposed by analysing the effect of different increment angles on distribution of scan vectors. Sectioning methods are then used to determine the effect that the chosen strategies have on the density of the parts. The top surface roughness was analysed using optical metrology, and the tensile properties were determined using uni-axial tensile testing. Finally, a novel multi-support deflection geometry was used to quantify the effects of rotation angles on residual stress.

Findings

The results of this research showed that the hatch rotation angle had little effect on the density, top surface roughness and strength of the parts. The greatest residual stress deflection was measured parallel to unidirectional scan vectors. The use of hatch rotations other than alternating 90° showed little benefit in lowering the magnitude of residual stresses. However, the use of rotation angles with a good suitability measure distributes stresses in all directions more evenly for certain part geometries.

Research limitations/implications

All samples produced in this work were made from commercially pure titanium, therefore care must be taken when applying these results to other materials.

Originality/value

This paper serves to increase the understanding of SLM scanning strategies and their effect on the properties of the material.

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Rapid Prototyping Journal, vol. 25 no. 2
Type: Research Article
ISSN: 1355-2546

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Book part
Publication date: 5 December 2017

Gerard P. Hodgkinson, Kristian J. Sund and Robert J. Galavan

This book comprises the second volume in the recently launched New Horizons in Managerial and Organizational Cognition book series. Volume 1 (Sund, Galavan, & Huff, 2016)…

Abstract

This book comprises the second volume in the recently launched New Horizons in Managerial and Organizational Cognition book series. Volume 1 (Sund, Galavan, & Huff, 2016), addressed the topic of strategic uncertainty. This second volume comprises a collection of contributions that variously report new methodological developments in managerial and organizational cognition, reflect critically on those developments, and consider the challenges that have yet to be confronted in order to further advance this exciting and dynamic interdisciplinary field. Contextualizing within an overarching framework the various contributions selected for inclusion in the present volume, in this opening chapter we reflect more broadly on what we consider the most significant developments that have occurred over recent years and the most significant challenges that lie ahead.

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Methodological Challenges and Advances in Managerial and Organizational Cognition
Type: Book
ISBN: 978-1-78743-677-0

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Available. Open Access. Open Access
Article
Publication date: 15 July 2019

Kevan W. Lamm, Nekeisha L. Randall, Alexa J. Lamm and Hannah S. Carter

Policy leadership infiltrates the lives of citizens everywhere. Though this type of leadership is implicit and ubiquitous, a theoretically-based model specifically intended for…

185

Abstract

Policy leadership infiltrates the lives of citizens everywhere. Though this type of leadership is implicit and ubiquitous, a theoretically-based model specifically intended for policy leaders is not readily available in academic literature. This article serves to address this gap by proposing a conceptual model of the policy leadership framework. The model expounds upon previous literature and identifies 16 areas vital to the policy process. Implications of the model relate to equipping leadership educators in the classroom and in the community with enhanced policy leadership research and curriculum.

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Journal of Leadership Education, vol. 18 no. 3
Type: Research Article
ISSN: 1552-9045

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Article
Publication date: 1 August 2001

Stuart Hannabuss

115

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Library Review, vol. 50 no. 6
Type: Research Article
ISSN: 0024-2535

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37

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Library Review, vol. 50 no. 6
Type: Research Article
ISSN: 0024-2535

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Book part
Publication date: 27 August 2020

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The Emerald Guide to Talcott Parsons
Type: Book
ISBN: 978-1-83982-654-2

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