The determination of the local conditions for void initiation in front of a crack tip for materials with second-phase particles

A procedure is proposed to determine, for second-phase particles near a crack tip, the maximum particle stresses at the moment of void initiation by either particle fracture or particle/matrix interface separation. A digital image analysis system is applied to perform a quantitative analysis of corresponding fracture surface regions from stereo image pairs taken in the scanning electron microscope. The fracture surface analysis is used to measure, for individual particles, the crack tip opening displacement at the moment of void initiation and the particle location with respect to the crack tip. From these data, the stress tensor at the moment of void initiation is calculated from the Hutchinson–Rice–Rosengren (HRR) field theory. The corresponding average local stresses within the particle are evaluated by a non-linear Mori–Tanaka-type approach. These stresses are compared to estimates according to the models by Argon et al. [A.S. Argon, J. Im, R. Safoglu, Metall. Trans. 6 (1975) 825] and Beremin [F.M. Beremin, Metall. Trans. 12 (1981) 723]. The procedure is demonstrated on an Al6061–10% Al2O3 metal matrix composite.

Whither sporting heritage : reflections on debates in Victoria about Waverley Park and the Melbourne Cricket Ground

The successful nomination of Waverley Park to the Victorian Historic Register
proved as controversial as the stadium was during its thirty-year existence. The
nomination was accepted primarily on the grounds of the social historical value of the site, rather than its architectural or engineering qualities, but in fact a range of different social histories were in conflict during the registration process. Four of the social histories involved are outlined and their influence on the outcome assessed. Some of the implications for the evaluation of sporting heritage sites emerge therefrom (Hay, R., Lazenby, C., Lewis, N., Haig-Muir, M., Mewett, P., 2001).

Issues in measuring the return of marketing investment in sporting club brands

This paper examines approaches to the measurement of brand value, and discusses their applicability to the various parties and branded products relevant to professional football clubs. It is concluded that the applicability of many of these measures of performance to sporting club brands is questionable. In order to provide an appropriate measure of the return on investment in brand loyalty to both the sporting club brand and sponsor-related products, the use of nonfinancial performance measures is critical. This paper suggests future research directions to enable greater consistency of the measurement of the return on marketing investment for sporting club brands.

Sporting club supporter identification and supporter purchasing behaviour for sponsors' products

This paper examines the actual purchasing behaviour of sporting club supporters of sponsors' products. The data source for this paper was a syndicated study conducted nationally by a large marketing research company on behalf of a sport's competition's governing body and its 16 constituent clubs. This empirical paper examines the usefulness of such a study in terms of its ability to relate product and brand preference to actual purchase decisions, especially in the context of an individual club's sponsorship. Club supporters are compared with the supporters of all Clubs, in order to ascertain differences in purchase behaviour. The findings suggest that customised research is likely to be of greater value to individual clubs, once the benefits of initial, aggregate studies have been exploited.

A defection analysis of lapsed members of five sporting clubs : examining motivations and behaviours

The issue of defection has been examined primarily in a transactional context as opposed to subscription markets where the infrequent nature of the purchase or renewal means that retention of subscribers is often both more difficult and more crucial. This paper reports on a survey that aimed to uncover more information about the motivations and future intentions of recently lapsed subscribers. 1,011 lapsed members across four Australian Football League (AFL) clubs and one Australian National Rugby League (NRL) club were surveyed. Analysis of the responses returned suggests that although these lapsed members report that they joined to financially support and feel more involved with the club, they let their membership lapse primarily due to an inability to attend games. Despite joining for intangible, altruistic reasons, it seems that if these members could not get to games, they believed that the membership was not worth maintaining. These members were satisfied with the membership; however measures of overall level of satisfaction had only a weak positive relationship with the likelihood of members rejoining in the future. The inconsistencies in the findings challenge some conventional approaches to both the methods of researching lapsed members and the theories that are frequently used to explain behaviours. We find that simplistic entry or exit surveys are likely to be of limited value in subscription defection research and that satisfaction is unlikely to be a strong predictor of defection behaviour.

Mapping cultural dimensions in Australian sporting organisations

No research focusing on sport has yet provided a method of charting cultureʼs potential dimensions. The aim of this study was to redress this gap by identifying a set of dimensions that could describe the cultures of Australian sporting organisations. The population for this study included Australian National Sport Organisations (NSOs), State Sport Organisations (SSOs) and clubs participating in national league competitions. Eight sport organisations formed the sample. Data were collected via 24 in-depth interviews. This study revealed 12 dimensions and 68 sub-dimensions of culture, which may be used to begin the process of mapping sport cultures. These results reveal some unique sport dimensions with no single existing dimensional model that captures the collective elements revealed in this study. The unique dimensions revealed in this study include “Rituals”, “Symbols”, “Size”, “History and tradition”, with support for these dimensions found within the sub-dimensional codes. This suggests that the dimensions recorded here might provide a useful launching pad for future studies on sport culture.

How is gender-based violence covered in the sporting news? An account of the Australian Football League sex scandal

Despite the significant amount of feminist and sociological research devoted to the question of sexual harassment and assault in sport, there has been little accompanying exploration of how the media discuss gender-based violence by sportsmen. This study examines the narratives of gendered behaviour that emerge in stories about Australian rules footballers and violence against women in the sport sections of two major Australian newspapers. As the audience for sport news is primarily male, the way that sexual misconduct by footballers is reported in this section of the newspaper provides an important dimension in theorising how media institutions influence public discourse and understandings of gender.

Interventions implemented through sporting organisations for increasing participation in sport (Review)

The sport and recreation sector is viewed as a priority area for increasing rates of physical activity. Participation rates have been shown to be lower in females, decline with age, and are reduced in lower socio-economic and minority groups. It is important to determine the most effective interventions rhat sporting organisations can use to increase participation and reduce inequalities. This systematic review of the literature did not find any controlled studies assessing the effects of interventions to increase participation in spar!.

Policy interventions implemented through sporting organisations for promoting healthy behaviour change (review)

Background
Sporting organisations provide an important setting for health promotion strategies that involve policies, communication of healthy messages and creation of health promoting environments. The introduction of policy interventions within sporting organisations is one strategy to target high risk behaviours such as smoking, alcohol consumption, excess sun exposure, unhealthy eating and discrimination.

Objectives
To review all controlled evaluation studies of policy interventions organised through sporting settings to increase healthy behaviour (related to smoking, alcohol, healthy eating, sun protection, discrimination, safety and access).

Search strategy
We searched the Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE, EMBASE, PsyclNFO, CINAHL, SPORTDiscus, Sociological Abstracts, Dissertation Abstracts, freely available online health promotion and sports-related databases hosted by leading agencies, and the internet using sport and policy-related key words. We identified further studies in the bibliographies of articles and by contacting authors of key articles in the area.

Selection criteria
We aimed to identify research that had used study designs that incorporated an evaluated intervention and comparison. Uncontrolled studies, meeting other inclusion criteria, were to be reported in an annex to the review.
Types of studies: Studies in which sporting organisations were allocated to a policy intervention or control/comparison group. No minimum follow-up required.
Types of participants: People of all ages.
Types of interventions: Any policy intervention implemented through sporting organisations to instigate and/or sustain healthy behaviour change, intention to change behaviour, or changes in attitudes, knowledge or awareness of healthy behaviour. Policies must address any of the following: smoking, alcohol, healthy eating, sun protection, access for disadvantaged groups, physical safety (not including injuries), and social and emotional health (e.g.. anti-vilification, anti-discrimination).
Types of outcome measures: Behaviour change, intention to change behaviour, change in attitudes, knowledge or awareness of healthy behaviour, and policy presence.

Data collection and analysis
We assessed whether identified citations were controlled evaluation studies and investigated the use of policy implemented in sporting settings. Abstracts were independently inspected by two reviewers and full papers were obtained where necessary. As no controlled evaluation studies were located, no data collection or analysis was undertaken. No uncontrolled studies meeting other inclusion criteria were identified and therefore no annex is presented.

Main results
No rigorous studies were located to test the effectiveness of policy interventions organised through sporting organisations to increase healthy behaviours, attitudes, knowledge or inclusion of health oriented policies within the organisarions.

Authors' conclusions
We were unable to find any controlled studies to guide the use of policy interventions used in sporting settings. The search process revealed a number of case studies with anecdotal reporting of outcomes. We strongly recommend that rigorous evaluation techniques are employed more commonly in this field to illuminate the impact of health promoting policy on outcomes, and the contexts and processes which are likely ro be effective in reducing harmful behaviours.

Purification and analysis of protein synthetic initiation factors from Volvox Carteri

Volvox carteri, a multi-celled green algae, can grow synchronously given a sixteen hour light period followed by an eight hour dark period, a cycle which is repeated for a 48 hour growth cycle total. Near the end of each light period, reproductive cells divide rapidly resulting in the differentiation of ceIls. When the dark period begins, this differentiation stops and the cells remain dormant with little protein synthesis or differentiation occurring. Immediately after the lights come back on, however, the cells again undergo rapid protein synthesis and complete their differentiation. Previous studies have concluded that Volvox carteri discontinue protein synthesis during the dark phase due to regulation at the translational level and not the transcriptional level. Therefore, the inhibition of protein synthesis does not lie in the transfer of the protein coding sequence from DNA to mRNA, but rather in the transfer of this information from the mRNA to the ribosomes. My research examined this translational regulation to determine the factor(s) causing the discontinuation of protein synthesis during the dark phase. Evidence from other research further suggests that the control of translation lies in the initiation step rather than the elongation step. Eukaryotic initiation factors aid in the binding of the ribosomal subunits to the mRNA to initiate protein synthesis. It is known that initiation factors can be modified by phosphorylation, regulating their activity. Therefore, my study focused upon isolating some of these initiation factors in order to determine whether or not such modifications are responsible for the inhibition of dark phase protein synthesis in Volvox carteri.