Multi-component low and high entropy metallic coatings synthesized by pulsed magnetron sputtering

This paper presents the findings of the synthesis of multicomponent (Al, W, Ni, Ti, Nb) alloy coatings from mosaic targets. For the study, a pulsed magnetron sputtering method was employed under different plasma generation conditions: modulation frequency (10 Hz and 1000 Hz), and power (600 W and 1000 W). The processes achieved two types of alloy coatings, high entropy and classical alloys. After the deposition processes, scanning electron microscopy, X-ray diffraction, and energy-dispersive X-ray spectroscopy techniques were employed to find the morphology, thickness, and chemical and phase compositions of the coatings. Nanohardness and its related parameters, namely H3.Er2, H.E, and 1.Er2H ratios, were measured. An annealing treatment was performed to estimate the stability range for the selected coatings. The results indicated the formation of as-deposited coatings exhibiting an amorphous structure as a single-phase solid solution. The process parameters had an influence on the resulting morphology-a dense and homogenous as well as a columnar morphology, was obtained. The study compared the properties of high-entropy alloy (HEA) coatings and classical alloy coatings concerning their structure and chemical and phase composition. It was found that the change of frequency modulation and the post-annealing process contributed to the increase in the hardness of the material in the case of HEA coatings

Media Policy Norms for a Europe in Crisis

Europe is in crisis. Millions of its citizens are living in poverty and subject to sustained programmes of austerity that are widening the gap between rich and poor. Communicative possibilities are squeezed by the realities of media market behaviour: public service broadcasters are facing challenges of legitimacy and funding while established news outlets are increasingly distrusted by audiences. Despite the scale of the crisis, however, there appears to be little appetite amongst media researchers to develop a professional or policy response that rises to the challenge and attempts to offer necessary solutions. This article reflects on existing policy norms and suggests that we need fresh ones that better articulate how best to respond to neoliberalisation and both communicative and economic crisis. Rhetorical commitments to democracy, free speech, privacy and transparency are being squeezed by a more pragmatic emphasis on efficiency and competition, leaving little room for more expansive ambitions of social justice and equality. By focusing on several case studies, the article argues that we need more radical policy frames to confront the serious attacks we are facing on the public media and the public interest more generally

The Stakes in Bayh-Dole: Public Values Beyond the Pace of Innovation

Evaluation studies of the Bayh-Dole Act are generally concerned with the pace of innovation or the transgressions to the independence of research. While these concerns are important, I propose here to expand the range of public values considered in assessing Bayh-Dole and formulating future reforms. To this end, I first examine the changes in the terms of the Bayh-Dole debate and the drift in its design. Neoliberal ideas have had a definitive influence on U.S. innovation policy for the last thirty years, including legislation to strengthen patent protection. Moreover, the neoliberal policy agenda is articulated and justified in the interest of “competitiveness.” Rhetorically, this agenda equates competitiveness with economic growth and this with the public interest. Against that backdrop, I use Public Value Failure criteria to show that values such as political equality, transparency, and fairness in the distribution of the benefits of innovation, are worth considering to counter the “policy drift” of Bayh-Dole

Friedrich Hayek and his visits to Chile

F. A. Hayek took two trips to Chile, the first in 1977, the second in 1981. The visits were controversial. On the first trip he met with General Augusto Pinochet, who had led a coup that overthrew Salvador Allende in 1973. During his 1981 visit, Hayek gave interviews that were published in the Chilean newspaper El Mercurio and in which he discussed authoritarian regimes and the problem of unlimited democracy. After each trip, he complained that the western press had painted an unfair picture of the economic situation under the Pinochet regime. Drawing on archival material, interviews, and past research, we provide a full account of this controversial episode in Hayek’s life

Economic Analysis of Knowledge: The History of Thought and the Central Themes

Following the development of knowledge economies, there has been a rapid expansion of economic analysis of knowledge, both in the context of technological knowledge in particular and the decision theory in general. This paper surveys this literature by identifying the main themes and contributions and outlines the future prospects of the discipline. The wide scope of knowledge related questions in terms of applicability and alternative approaches has led to the fragmentation of research. Nevertheless, one can identify a continuing tradition which analyses various aspects of the generation, dissemination and use of knowledge in the economy

The Short Rise and Long Fall of heterodox Economics in germany After the 1970s: Explorations in a Scientific Field of Power and Struggle.

In the context of ongoing criticisms of the lack of pluralism in economics, the present article aims to discuss the development of ‘heterodox’ economics since the 1970s. Following Lakatos’s concept of scientific research programs (srp), and concentrating on the situation in Germany, the article will discuss classifications of economics, and will specify the understanding of diversity in the light of ‘axiomatic variations’ of the economic mainstream. This will form the basis for the subsequent description of the development of heterodoxy in Germany, with special reference to the founding of new universities and the reform movements in the 1970s. It can be shown that the heterodox scene flourished in this period, but that this pluralization remained fragmented and short-lived; by the 1980s at the latest heterodoxy was again on its way to marginalization. The history of heterodoxy in Germany thus presents itself as an unequal ‘battle of the paradigms,’ and can only be told as the story of a failure

The Genealogy of the Labor Hoarding Concept

The modern concept of labor hoarding emerged in early 1960s, and soon became a standard part of mainstream economists' explan ation of the working of labor markets. The concept represents the convergence of three importa nt elements: an empirical fi nding that labor productivity was procyclical; a framing of this fi nding as a "puzzle" or anomaly fo r the basic neoclassical theory of the firm, and a proposed resolu tion of the puzzle based on optimizing behavior of the firm in the presence of costs of hiring, firing, and training workers. Th is paper recounts the history of each of these elements, and how they were woven together into the labor hoarding concept. Each history involves people associated with various research traditions and motivated by an array of questions, many of which were unrelated to the qu estions that the modern labor hoarding concept was ultimately created to address

Assumption without representation: the unacknowledged abstraction from communities and social goods

We have not clearly acknowledged the abstraction from unpriceable “social goods” (derived from communities) which, different from private and public goods, simply disappear if it is attempted to market them. Separability from markets and economics has not been argued, much less established. Acknowledging communities would reinforce rather than undermine them, and thus facilitate the production of social goods. But it would also help economics by facilitating our understanding of – and response to – financial crises as well as environmental destruction and many social problems, and by reducing the alienation from economics often felt by students and the public