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Microstructural Characterization of Thermal Barrier Coatings Glazed by a High Power Laser
Get PDFAbstract. Thermal barrier coatings have been widely used in in both energy and propulsion systems. Plasma-sprayed thermal barrier coatings have relatively high interconnected porosity and lamina structure, which bring out low bond strength, and lead to a short thermal cycling life. Lasers can be used for modification of materials surface. In this paper, plasma-sprayed thermal barrier coatings were laser-glazed by a high power laser in order to modify the structures. The microstructure of
laser-glazed TBCs is investigated. The change on surface roughness has been examined. The result indicates that a smooth and dense glazed surface with craters and a network of microcracks is obtained after laser-glazing. The laser-glazed region consists of a columnar microstructure. There are segmentation microcracks in the laser-glazed coatings, which don’t run through the coatings along thickness. Surface roughness has been reduced significantly for the laser treated ceramic coatings
The Music and Harmonies of Queen
No full textInterview with Jesse Mulligan on Radio New Zealand about the music and style of Queen
Bruce Springsteen and the Wave Model of Development
Get PDFThe idea of artistic progress is under-theorised in an academic context, despite being central to general critical discourse on popular music (e.g. Riley 1988, Macan 1997). This paper forms part of a wider study of Bruce Springsteen’s career output in terms of musical development; this quality is often ascribed to Springsteen’s work, but with little consideration as to the nature of his evolution (Masur 2012). Rather than examine compositional and stylistic attributes, I focus on the studio elements of Springsteen’s songs and his use of technology. I suggest that one cannot observe a linear model of progress, so much as increments of change within identifiable frameworks.
Springsteen’s career can be divided into segments of two to four albums, each of which presents a distinct textural layout—thus, between from Born to Run (1975) to The River (1980), there is the ‘classic’ E Street Band sound, defined primarily by the high register piano lines of Roy Bittan and the glockenspiel of Danny Federici; between Born in the USA (1984) and Human Touch (1992), ringing guitars or padded synthesizers dominate Springsteen’s sound-world.
Through to the present day, I argue that Springsteen’s career can be understood in terms of a ‘wave’ model (Moore 2001), whereby an initial crest is succeeded by a short period of continuity, before the cycle restarts. Furthermore, just as waves are never discrete entities, there remain fluid connections across Springsteen’s career, namely, the persisting elements of the E Street Band sound in the 2000s. Finally, one can identify a number of albums (Nebraska, The Ghost of Tom Joad, Devils and Dust) that appear between successive waves; these albums are notable for their ‘stripped back’ textures and lo-fi production values. Somewhat paradoxically, then, it is these moments of apparent technological regression that prompt the next wave of evolution.
The powerpoint slides for this presentation are attached
Parkinson’s Disease: The support partner’s role in the person with Parkinson’s Levels of Wellness
Get PDFThis chapter is about the support partners’ trials as
they endeavour to cope with daily life with a Parkinsonian
partner. The philosophy underpinning the discussion is
phenomenology, which is about being there and experiencing
the journey of Parkinson’s disease (PD). Support
partners grapple with everyday life, not only to support
their partner with PD, and the role they play as carers, but
also their need to maintain their careers to ensure financial stability. Due to the changes in the condition, both mentally and physically, of the person with PD, support partners often feel a stranger has moved into the house. A lack of facial expression, inability to speak, and the risk of falls are common, but despite this they do not seek assistance from Parkinson’s organisations, as they are “waiting until they get worse”. However, without assistance, the frightening aspects of dealing with the stranger are experienced in isolation. Health professionals need to acknowledge that PD is a long-term condition with constant fluctuations in both mental and physical capability, therefore they should always include the support partner in any assessment processes.However, they should also remain mindful of the fact that support partners experience a sense of disloyalty when talking about their partner, or when they are contradicting statements made by the person with partner in their presenc
Cultural safety and relational practice: Ways of being with ourselves and others
Get PDFHow nurses relate to patients is integral to nursing. In their first article, KATRINA FYERS and SALLIE GREENWOOD looked at developing reflective skills to support self-knowledge and culturally safe practice.
They now consider how self-knowledge enhances the concept of relational practice and draw examples from their research
Penny Black - Bunkhouse Theatre
No full textSelf-centered twenty-something Penny Black (Astra McLaren) travels down the North Island of New Zealand in an attempt to save her job and opulent lifestyle. Along the way she meets a guy name Guy (Anton Tennet); who makes her slow her down and question how the world works
Penny Black - Finns Cinema
No full textSelf-centered twenty-something Penny Black (Astra McLaren) travels down the North Island of New Zealand in an attempt to save her job and opulent lifestyle. Along the way she meets a guy name Guy (Anton Tennet); who makes her slow her down and question how the world works
Penny Black - Waiheke Cinema
No full textSelf-centered twenty-something Penny Black (Astra McLaren) travels down the North Island of New Zealand in an attempt to save her job and opulent lifestyle. Along the way she meets a guy name Guy (Anton Tennet); who makes her slow her down and question how the world works