Material properties under drawing and extrusion with cyclic torsion

A copper bar was drawn while a lead bar was extruded through a cyclically twisting die in a specifically designed experimental rig. The drawing/extrusion load fluctuated at the same frequency as that of die twisting. The load tended to be at a level of monotonic deformation when the die was changing direction. The degree of the reduction in load for both the drawing and extrusion processes depended on the deformation conditions and requires optimisation for industrial application.

Reflections on some recent corporate governance reforms in Germany. A transformation of the German aktienrecht?

Focuses on the German law reform relating to public corporations. Flaws to the German system of corporate governance; Advantages of comparative corporate governance research; Features of the German Corporate Governance Code.

The German two-tier board and the German corporate governance code

This paper deals with some interesting recent corporate governance developments in Germany. The focus is in particular on the German Corporate Governance Code, its parts, layout and how it deals with the various organs of German public corporations. The German Code is quite unique since it applies a Code of Good Practice to a two-tier board system, thus making it necessary to deal with the role and functions and the relationship between the management and the supervisory board. This paper concludes that several changes to the German law relating to public corporations since the middle of the 1990s and the introduction of the German Code will ensure that the two-tier board system will remain the favoured board structure for public corporations in Germany. It is, however, submitted that employee participation at supervisory board level will provide particular political challenges for Germany in the near future.

Interaction between the coating characteristics of galvanneal steel and forming parameters during flat die drawing

Galvanneal steel is considered to be better for automotive applications than its counterpart, galvanized steel, mainly because of its superior coating and surface properties. Galvanneal steel is produced by hot dipping sheet steel in a bath of molten zinc with small, controlled, levels of aluminium, followed by annealing which creates a Fe-Zn intermetallic layer. This intermetallic layer of the coating improves spot weldability and improves subsequent paint appearance. However, if the microstructure of the coating is not properly controlled and forming parameters are not properly selected, wear of the coating could occur during stamping. Frictional sliding of the sheet between the tool surfaces results in considerable amount of coating loss. An Interstitial Free steel with a Galvanneal coating of nominally 60g/m2 was used for the laboratory experiments. Flat Face Friction (FFF) tests were performed with different forming conditions and lubricants to simulate the frictional sliding in stamping. Glow-Discharge Optical Emission Spectrometry (DG-OES) was used to measure the change in the coating thickness during sliding. Optical microscopy was considered for imaging the surfaces as well as an optical method to compare the changes in the coating thickness during the forming. The change to the Galvanneal coating thickness was found to be a function of forming parameters.

A general rooted tree drawing algorithm

A general rooted tree drawing algorithm is designed in this paper. It satisfies the basic aesthetic criteria and can be well applied to binary trees. Given an area, any complex tree can be drawn within the area in users' favorite styles. The algorithm is efficient with O(LxNxlogN) time complexity and self-adaptive as well.

Cross-discipline collaboration and innovation in the design studio : drawing on the Bath model

As information expands and comprehension becomes more complex, so the need increases to develop focused areas of knowledge and skill acquisition. However, as the number of specialty areas increases so the languages that define each separate knowledge base become increasingly remote. Hence, concepts and viewpoints that were once considered part of a whole become detached. This phenomenon is typical of the development of tertiary education, especially within professional oriented courses, where disciplines and sub-disciplines have grown further apart and the ability to communicate has become increasingly fragmented.
One individual and visionary who was well acquainted with the shortcomings of the piecemeal development between the disciplines was Professor Sir Edmond Happold, the leader of the prestigious group known as Structures 3 at Ove Arup and Partners, who were responsible for making happen some of the landmark buildings of their time, including Sydney Opera House and the Pompidou Centre, and the founding professor of the Bath school of Architecture and Civil Engineering in 1975. While still having a profound respect for the knowledge bases of the different professions within the building and construction industry, Professor Happold was also well aware of the extraordinary synergies in design and innovation which could come about when the disciplines of Architecture and Civil Engineering were brought together at the outset of the design process.
This paper discusses the rational behind Professor Happold’s cross-discipline model of education and reflects on the method, execution and pedagogical worth of the joint studio-based projects which formed a core aspect of the third year program at the School of Architecture and Civil Engineering at the Bath University.

Drawing and the subjectivity of the 'other'

Scenes of the Aboriginal family sitting around a table in the film The Fringe Dwellers present the boy quietly drawing, while other members of the family are engaged in discussion. The boy is less visible, more passive and contemplative, and his subjectivity is suggested rather than explored in the film. He repeats the same activity and the same inward concentration. My hypothesis is that the boy's subjectivity and agency are projected elsewhere, towards an imaginary field beyond the film's structure and beyond the social reality of the film's outside. What is the aboriginal boy drawing? In one scene, is a glimpse of his 'projection', he draws a house. The boy is mesmerised and pre-occupied by his drawing. We have seen the mystery of this preoccupation in images of heroic modernist architects (Le Corbusier, Frank Lloyd Wright, Oscar Niemeyer come to mind) presenting a connection between the hand of the architect and his sketch as an essential gift in the making of a 'master architect'. Through this visual association, the 'Aboriginal boy drawing' is associated with the field of 'a universal human subject' and the essay investigates how his practice might participate in new subjective positions across disciplines. Through his inscriptions, the Aboriginal boy expresses more than a wish: he articulates and inhabits another dwelling, an imaginary dwelling of a subjectivity and 'identity' beyond the black and white divide. The boy, however, is not a 'master', making his drawing a subversive and risky practice.

The design studio: fabricating a sense of architecture in drawing

The purpose of this paper is to provide a platform for investigating the relationship between the student and the tutor via the design drawing and in particular the idea that what gives grounds for architecture to embody something is what is imagined is expressed in the design drawing. It is suggested that in architectural education the sense of architecture's fabricated properties find their apparent expression from the convergence of the tutor and student toward these drawings. In an act of perceptual contortion, there is an endeavour to reconcile what they see with what they think the drawing might suggest. Part of this mental reconstruction is based on the expectation that something is in the drawing to see. The drawing is produced based on the supposition that it will be read, generating a particular conditioning of the student's attitude toward the relevance of the drawing. It is engaged as the receptacle of ideas about what architecture is. The result is that sometimes the emphasis on the drawing as something to be consumed implies a permeation of the supposed sensory qualities of architecture imagined by the student designer, the portrayal of which is indubitably a product of the medium. While this might be commonly experienced in studios, it is proposed that this may be perpetuated in architectural education not merely by the act of drawing itself and what the drawing is, but how the student/tutor exchange contributes to the consciousness of what is portrayed.

Differences in how english and german speakers talk and reason about CAUSE

This research identifies how English and German speakers differ in the range of situations they describe as causal and how these difference may influence causal reasoning. In Experiments 1 and 2, English and German speakers described 3D animations of complex events using CAUSE verbs (cause, get) and ENABLE verbs (let, enable). As predicted, English speakers used CAUSE verbs to describe a wider range of events than German speakers. In Experiment 3, English and German speakers viewed 3D animations of CAUSE and ENABLE events and then estimated the likelihood of the effect (E) in the presence of the affector (A), p(E|A), in hypothetical situations similar to the one they just saw. Given the results of Experiments 1 and 2, we predicted that German speakers’ estimates of p(E|A) would be higher than English speakers’ estimates of p(E|A) for ENABLE events, but not necessarily for CAUSE events. The results were as predicted. The findings suggest that English and German speakers differ in the range of situations they describe as causal and that these differences in linguistic coding may lead to differences in causal reasoning.

German corporate governance in international and European context

The main aim with this book is to provide English speaking readers with a comprehensive overview of the German corporate governance model. The authors introduce the reader to the unique features of the German Business and Enterprise Law. The book deals with the most important company organs, namely the General Meeting, the Management Board and the Supervisory Board. The unique interplay among these organs are also covered and the reader is introduced to the particular dynamics of the German two-tier board structure.Further the authors deal with the dominant role of the "German banks" and new players in the German financial markets, focusing particularly on voting rights of these institutions at companies' general meetings and appointing members to companies' supervisory boards. Accounting is shown as the documentary proof of good corporate governance. The final chapter gives an overview of corporate governance in the European Union, the OECD Principles of Corporate Governance and corporate governance in the US, the UK and Australia.

The German corporate governance model in the wake of company law harmonisation in the European Union

In this article the authors deal with several recent developments in the European Union (EU) regarding company law harmonisation. These developments took place at the same time that the German corporate governance model has been refined considerably. The authors conclude that these developments in the EU and Germany respectively will necessarily create tension within the EU as far as corporate governance and company law harmonisation are concerned.

Advanced manufacturing technology adoption - the German experience

The decision process that organisations utilise when evaluating technology investment opportunities is a complex and even political process; however, the correct decision can provide the organisation with considerable operational and competitive benefits. The research presented in this paper presents the findings of a postal survey of the benefits provided by technology investments to large German manufacturers. It was found that only where middle management generated the idea for the advanced manufacturing technology (AMT) investment was success in that investment significantly more likely. Respondents who established a project team to plan the technology proposal, regardless of the department which generated the ideas for technology investment, were not significantly associated with a greater likelihood for success.

The respondents typically took between 3 and 12 months before making the final decision to invest, irrespective of the department generating the idea for the AMT, and a further 6 months to implement the AMT. Respondents who utilised a discounted cashflow analysis took significantly longer to make the final decision to invest. The greatest number of manufacturing outcomes of significantly higher importance was identified for respondents where Engineering, IT or R&D generated the AMT ideas. It was also determined that the respondents most frequently considered AMT investments in computer hardware or software and technical training for process workers to be necessary at the time of considering the investment. Middle management were found to be significantly more concerned than managers on other levels about opposition of workers to the AMT, while the process workers were significantly more concerned about interruptions to the process during installation.