Relevant bibliographies by topics / Grail literature

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Grail literature'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Grail literature"

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Fulweiler, Howard W. "Tennyson's "The Holy Grail"." Renascence 38, no. 3 (1986): 144–59. http://dx.doi.org/10.5840/renascence19863836.

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Chardonnens, László Sándor. "The Grail legend in modern literature (Arthurian Studies LIX)." English Studies 88, no. 3 (June 2007): 362–63. http://dx.doi.org/10.1080/00138380601045470.

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Ullyot, Jonathan. "Kafka's Grail Castle." German Quarterly 83, no. 4 (September 2010): 431–48. http://dx.doi.org/10.1111/j.1756-1183.2010.00094.x.

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Sager, Alexander. "Arthur Groos, Romancing the Grail." Beiträge zur Geschichte der deutschen Sprache und Literatur (PBB) 124, no. 1 (June 2002): 171–74. http://dx.doi.org/10.1515/bgsl.2002.171.

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Wood, Juliette. "King Arthur's Raid on the Underworld. The Oldest Grail Quest / From Round Table to Grail Castle: Twelve Studies in Arthurian and Grail Literature in the Light of Anthroposophy." Folklore 120, no. 3 (December 2009): 338–39. http://dx.doi.org/10.1080/00155870903220035.

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Wiseman, Robert M., and Hadi Faqihi. "The continuing search for the Holy Grail." Management Research: Journal of the Iberoamerican Academy of Management 16, no. 1 (April 9, 2018): 97–106. http://dx.doi.org/10.1108/mrjiam-10-2017-0784.

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Purpose The purpose of this paper is to enrich the finding by Aguinis et al. (2018) that there is little overlap between the extremes of firm performance and the extremes of CEO pay using a novel approach to characterize the distribution of pay and performance. The authors aim to shift the focus of compensation researchers from fruitlessly trying to link pay to performance to theory-rich accounts of pay that take into consideration the idiosyncratically motivated and socially embedded nature of CEO compensation. Design/methodology/approach The authors’ approach in this commentary is conceptual. They synthesize compensation literature from different fields such as economics, finance, sociology, strategic management and corporate law, as well as the empirical findings from the focal paper to support their characterization of the current state of the literature and future directions it should take. Findings The authors synthesize discussion of CEO pay down to three dimensions of CEO responsibilities and motivations. They argue that a realistic pay design should take into account that CEOs have limited control over performance, they are accountable to multiple stakeholders and they are motivated by financial as well as nonfinancial incentives. Originality/value The commentary presents researchers with high-order framing of CEO pay that goes beyond debating over methodology or narrowly focusing on limited behavioral drivers of pay setting. Instead, the authors encourage researchers to take advantage of their three-legged framework to theorize about CEO pay.
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Hopkins, A. "The Grail, the Quest and the World of Arthur." English 59, no. 225 (May 4, 2009): 212–13. http://dx.doi.org/10.1093/english/efp012.

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Mathis, Andrew E. "The Grail Legend in Modern Literature. Arthurian Studies LIX by John B. Marino." Arthuriana 16, no. 1 (2006): 79–80. http://dx.doi.org/10.1353/art.2006.0015.

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Pratt, Karen, and William W. Kibler. "The Lancelot-Grail Cycle: Text and Transformations." Modern Language Review 94, no. 4 (October 1999): 1094. http://dx.doi.org/10.2307/3737259.

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Haferland, Harald. "Christliche Weltherrschaft im ›Parzival‹." Beiträge zur Geschichte der deutschen Sprache und Literatur 142, no. 4 (November 27, 2020): 548–615. http://dx.doi.org/10.1515/bgsl-2020-0043.

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AbstractThe article takes the open ending of ›Parzival‹ as its point of departure. It analyses information about the expansion of the grail community: The grail is at the heart of a hidden take-over of world domination. This idea originates in the military orders. In ›Parzival‹, it is associated with an eschatological perspective. However, Wolfram obscures the beginning of the eschaton, just as he obscures the topographical location of Munsalvaesche. The idea of world domination goes back to the Third Crusade and the role of Frederick Barbarossa. It can be assumed that Wolfram had direct contact with men who had taken part in the campaign. His conception of the grail can be traced to the Black Stone of the Kaaba, to which it constitutes a Christian counterpart.
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Dissertations / Theses on the topic "Grail literature"

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Ropa, Anastasija. "Representations of the Grail quest in medieval and modern literature." Thesis, Bangor University, 2014. https://research.bangor.ac.uk/portal/en/theses/representations-of-the-grail-quest-in-medieval-and-modern-literature(f6ca3faa-16eb-499a-b941-10d93dd8b6cf).html.

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This thesis explores the representation and meaning of the Grail quest in medieval and modern literature, using the methodologies of historically informed criticism and feminist criticism. In the thesis, I consider the themes of death, gender relations and history in two medieval romances and three modern novels in which the Grail quest is the structuring motif. Comparing two sets of texts coming from different historical periods enhances our understanding of each text, because not only are the modern texts influenced by their medieval precursors, but also our perception of medieval Grail quest romances is modified by modern literature. Studying medieval and modern Grail quest literature side by side also places the phenomenon of modern medievalism into a new perspective; this approach brings out the differences between the Grail quest in texts written in a society that shared a set of Christian values and those written in a post-religious context. Research conducted in the thesis shows that the texts within each group also differ between themselves, depending on the socio-historical circumstances in which the texts were written and read. In the first part of the thesis (Chapters 1-4), I discuss the themes of death, the role of women as spiritual guides, and the relation between familial and world history in two medieval romances. I approach these issues from the perspective of minor characters, women and non-elect knights (who have previously been little studied). I argue that the experiences of these marginal characters are important for understanding both the context in which the romances‟ major characters operate and the representation of questers in modern literature, which often places the unheroic, ordinary or even deviant characters into the limelight. In the second part of the thesis (Chapters 5-7), I consider three modern novels that use the Christian motif of the Grail quest to structure their narratives, examining ways in which modern writers use medieval tropes in a post-religious age. In each chapter, I explore the place of death, relations between the questers and female characters and the impact of family and the world histories on the individual‟s identity in the respective novel. The conclusion brings together the research findings and suggests areas for further research in medieval and modern literature about the Grail quest.
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McCarthy, Marcella. "Late medieval English treatments of the Grail story." Thesis, University of Oxford, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.304980.

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Archer, Leona Mary. "Gender and space in the Old French Lancelot-Grail cycle." Thesis, University of Cambridge, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.648670.

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Bell, William. "In Search of the Grail: The Poetic Development of T.S. Eliot." TopSCHOLAR®, 1985. https://digitalcommons.wku.edu/theses/2151.

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In Poets of Reality, Joseph Hillis Miller seeks to establish T.S. Eliot as a precursor of the modern movement towards romantic. subjectivism. By applying his phenomenological critique, Miller claims that several major modern writers, including Eliot, adopt aesthetics based on various forms of philosophical monism. The point underlying this thesis is that Eliot stands opposed to any such position and, until 1930, breaks with philosophy, monistic or otherwise. His art from this period is instead characterized by a search for solution in poetic artifice, a pure art. However, with "Ash Wednesday," the poet once again enters fully into the realm of ideas, and by Four Quartets has achieved a synthesis of art and idea that is clearly dualistic in nature and affirms the importance of a progressive, and not destructive tradition. All of this he finally undergirds with a logocentric belief in language as a vehicle to be purified, far from the linguistic nihilism of Miller's "Yale School" colleague, Jacques Derrida.
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Baldon, Martha Claire. "The logic of the Grail on Old French and Middle English Arthurian romance." Thesis, Cardiff University, 2017. http://orca.cf.ac.uk/111220/.

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Approaching Grail narratives as a distinct subgenre of medieval romance, this thesis compares five Old French and Middle English Grail texts: Chrétien de Troyes’ Perceval (c.1190), the Didot-Perceval (c.1200), Perlesvaus (early thirteenth century), the Vulgate Cycle Queste del Saint Graal (c.1225) and Thomas Malory’s Tale of the Sankgreal (1469). Through detailed analysis of the ways these texts explore three primary areas of Christian experience – sight, space and time – this thesis illuminates both concepts shared across these Grail narratives, and characteristics that distinguish them from each other. The comparative analysis of this thesis shows how the Grail romances operate according to a distinct form of logic that furthers their interests in spiritual instruction. This thesis opens with an introduction to the five texts under consideration and an overview of previous scholarship on the Grail narratives. The introduction also discusses some of the conventional features of Arthurian romance and foregrounds the ways in which the Grail romances disrupt and distort these familiar expectations. Chapter One, ‘Hermeneutic Progression: Sight, Knowledge, and Perception’, explores the ways in which the Grail narratives utilise medieval optical theories to highlight hermeneutic contrasts between normative Arthurian aventures and Grail aventures. The knights’ failures in perception in the latter are marked by a geographical disorientation. Chapter Two, ‘Spatial Perception: The Topography of the Grail Quest’, argues that once the knights embark upon the quest of the Holy Grail, they enter a separate temporal framework in which their physical progression is dictated by their spiritual improvement. Chapter Three, ‘Temporal Transformations: Grail Time’, suggests that in the Grail narratives, concepts of time are transformed to allow readers and Grail knights to travel between the Arthurian present and the biblical past. It is through interpreting and understanding the relationship between past and present that the significance of the Grail aventures emerges. The conclusion to this thesis explores contemporary medieval ideas of demonstrative and dialectic argumentation to suggest that the Grail romances function as a visual form of demonstrative argumentation. This thesis argues that this logic distinguishes the Grail narratives from more secular Arthurian romances and enables both Grail knights and readers to develop their appreciation and understanding of the Grail miracles themselves.
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Johnson, Flint. "The abduction and grail romances as literary sources for the fifth and sixth centuries." Thesis, University of Glasgow, 2000. http://theses.gla.ac.uk/3945/.

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The objective of the following thesis is to demonstrate the conceivability that the various romances relating to King Arthur may be used to reconstruct some of the many Welsh literary sources that have been lost to us over the past fifteen centuries. To do this, I will examine two stories written by one of the earliest and the most influential of all the Arthurian romance writers, Chrétien de Troyes. These are the abduction of Guinièvre and the grail. The Preface and Introduction will explain the broad assumptions upon which I base my present volume. First, that there was a British Heroic Age between the fifth and early seventh centuries. Second, that it did produce several literary works of historical value. My theory is that some of these literary sources were at one point written and, though badly marred by progressive influences, have survived in the form of romances. If this theory is correct, the study of all extant early variations of what is essentially one story should reveal a series of independent connections to the Dark Age British. In addition, there is a high probability that this story will be able to be seen in the context of fifth or sixth-century British culture. This is what will be attempted with the abduction and grail narratives. In the second chapter I will summarize the influences of the known sources of Chrétien de Troyes in writing Le Chevalier de la Charrette. This will have two purposes. First, it will serve to point out the degree of influence Chrétien's patron had on him. Second and what is more important, this will lead to the conclusion that Chrétien's primary importance to the stories is his creative manipulation of his knowledge and sources around his patrons' desires; he has not simply invented any aspect of the Matter of Britain.
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Villasenor-Oldham, Victoria Anne. "Multiplicity and gendering the Holy Grail in The Da Vinci Code and the Mists of Avalon." CSUSB ScholarWorks, 2007. https://scholarworks.lib.csusb.edu/etd-project/3237.

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This thesis explores how both texts - The Da Vinci Code and The Mists of Avalon - write femininity onto the Holy Grail in seemingly problematic ways, and the way in which women's voices, through the feminization of the Grail, are often silenced.
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Séguy, Mireille. "Les romans du Graal ou Le signe imaginé /." Paris : H. Champion, 2001. http://catalogue.bnf.fr/ark:/12148/cb37651616p.

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Gonçalves, Francisco de Souza. "O bifrontismo do feminino em A Demanda do Santo Graal: Redescobrindo o substrato céltico das personagens femininas na busca do Santo Cálix." Universidade do Estado do Rio de Janeiro, 2011. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=3007.

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A figura da mulher ocupa significativo papel nas novelas de cavalaria do Ciclo Bretão. Emergindo como um elemento que traz liga às narrativas do lendário artúrico, constitui-se adjuvante essencial e multifacetada na construção dos episódios, numa interação constante com o masculino representado, principalmente, pelos cavaleiros. O Medievo traz à tona uma imagem matizada do feminino: a mulher socialmente vista sob clivagens diversas é refletida na literatura de cavalaria, conforme se pode verificar em A Demanda do Santo Graal. A presença feminina é importantíssima na narrativa, sobretudo na sua tensa relação com a cavalaria, agora ligada ao elemento religioso - monastizada, celibatária e ascética. O objetivo precípuo de nossos estudos é investigar de que maneira a fôrma sociocultural medieva, na qual foi moldada A Demanda do Santo Graal, se relaciona com seu substrato: as narrativas provindas da cosmovisão inerente ao imaginário céltico. Desta feita, nosso viés analítico verticaliza-se no elemento feminino presente na obra. Mais especificamente, toma-se por escopo a imagem de personagens que refletem a ideologia clerical moralístico-didatizante do século XIII, mas, sobretudo, resgata-se a imagem de personagens imbuídas de singular dualidade; ambigüidade esta que é marca não só do medievo paradoxal concernente ao feminino, mas também de personas literárias concebidas entre dois mundos, dois pólos ideológicos distintos. Em outros termos, fala-se de personagens que são seres ficcionais bifrontes: personagens localizadas entre as herdades e as identidades. Foram tomados como corpora de pesquisa os episódios em que estas damas polidimensionais aparecem e se tornam adjuvantes na ação literária, seja para cooperar, confundir ou prejudicar os cavaleiros que empreendem a sagrada, inefável e venturosa busca do Santo Cálix que dará fim às aventuras do Reino de Logres
The figure of woman takes leading role in the novels of chivalry Cycle Breton. Emerging as an element that links the narratives of the legendary Arturo, it constitutes a vital and multifaceted adjuvant in the construction of the episodes in an ongoing interaction with the male represented mainly by knights. The Medieval brings up a nuanced picture of the female: the woman socially viewed under various divisions is reflected in the literature of chivalry, as it can be seen in The Quest for the Holy Grail. The female presence is important in the narrative, especially in its tense relationship with the chivalry, now linked to the religious element monasticated, ascetic and celibaterian. The main objective of our study is to investigate how the sociocultural medieval mold, in which was shaped The Quest for the Holy Grail relates to its substrate, the narratives originated of the worldview inherent in the Celtic imagination, thus our analytical bias uprights in the female element in this work. More specifically, it becomes a scope which the image of characters reflects the ideology of clerical didactic and moralistic of the thirteenth century. However it redeens the image of characters imbued with singular duality; that ambiguity which is not only a mark of the medieval paradoxical concerning the female, but also of literary characters designed between two worlds, two distinct ideological poles. In other words, it is about personas who are "bifront fictional beings". Characters located between the inheritances and identities. The research bases were the episodes in which these polidimensionals ladies appear and become adjuvants in literary action, either to cooperate, confuse or impair the knights who undertake the sacred, ineffable and "fortunate" quest for the Holy Chalice which will end the adventures of the Kingdom of Logres
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Hall, Kenneth. "Technology and the Grail in Fringe, In Search of Klingsor and Other Nazi Scientist Tales." Digital Commons @ East Tennessee State University, 2019. https://dc.etsu.edu/etsu-works/7809.

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Books on the topic "Grail literature"

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1949-, Higgins John, ed. Grail quest. London: Armada, 1985.

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1949-, Higgins John, ed. Grail Quest. London: Armada, 1985.

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The Grail legend in modern literature. Cambridge: D.S. Brewer, 2004.

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The Grail legend. 2nd ed. Boston: Sigo Press, 1986.

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The grail legend. 2nd ed. Princeton, N.J: Princeton University Press, 1998.

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Barber, Richard. The Holy Grail. London: Penguin Group UK, 2009.

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Kitezh: The Russian grail legends. Hammersmith, London: Aquarian Press, 1991.

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Chrétien. The story of the grail =: Li contes del graal, or, Perceval. New York: Garland Pub., 1990.

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Nicholson, Helen J. Love, war, and the Grail. Leiden: Brill, 2001.

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Nicholson, Helen J. Love, war, and the grail. Boston: Brill, 2004.

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Book chapters on the topic "Grail literature"

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Ealy, Nicholas. "Narcissus and Trauma: Chrétien de Troyes’s Story of the Grail." In Narcissism and Selfhood in Medieval French Literature, 133–79. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-27916-5_5.

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Schulze-Engler, Frank. "Ngugi wa Thiong'o: A Grain of Wheat." In Kindlers Literatur Lexikon (KLL), 1–2. Stuttgart: J.B. Metzler, 2020. http://dx.doi.org/10.1007/978-3-476-05728-0_16659-1.

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Bruckner, Matilda Tomaryn. "Authorial Relays: Continuing Chrétien’s Conte du Graal." In The Medieval Author in Medieval French Literature, 13–28. New York: Palgrave Macmillan US, 2006. http://dx.doi.org/10.1057/9781403983459_2.

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Bakhos, Carol. "Reading Against the Grain: Humor and Subversion in Midrashic Literature." In Narratology, Hermeneutics, and Midrash, 71–80. Göttingen: V&R unipress, 2014. http://dx.doi.org/10.14220/9783737003087.71.

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Allen, Rachael. "“A Grain of Brain”: Women and Farm Animals in Collections by Ariana Reines and Selima Hill." In Literature and Meat Since 1900, 143–59. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-26917-3_9.

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Blank, Ksana. "5. Text and Epigraph. “The Way of the Grain”: Teaching The Brothers Karamazov through the Novel’s Epigraph." In Teaching Nineteenth-Century Russian Literature, edited by Deborah Martinsen, Cathy Popkin, and Irina Reyfman, 67–81. Boston, USA: Academic Studies Press, 2019. http://dx.doi.org/10.1515/9781618113603-009.

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Gupta, Anuj. "Reading De Quinceyan Rhetoric Against the Grain: An Actor-Network-Theory Approach." In Psychopharmacology in British Literature and Culture, 1780–1900, 155–70. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-53598-8_8.

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Yokota-Murakami, Takayuki. "Romantic prose fiction in modern Japan: Finding an expression against the grain." In Comparative History of Literatures in European Languages, 643–54. Amsterdam: John Benjamins Publishing Company, 2008. http://dx.doi.org/10.1075/chlel.xxiii.41tak.

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RUSET OANCA, Monica. "Interpretation of Medieval Texts between Literature and Theology in La Queste del Saint Graal." In Past and Future, 251–64. Rome, Italy: Fédération Internationale des Instituts d’Études Médiévales, 2021. http://dx.doi.org/10.1484/m.tema-eb.5.126543.

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Sarov, Angel. "The Use of : Benefits to the in Bulgaria." In Future City, 309–22. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-71819-0_17.

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AbstractThis chapter’s target is to accentuate on the benefits for the social-economic development, resulting from the wastewater governance. The wastewater treatment is the process of extraction of extra-resources, namely: residual biogas, used for heat and electricity; sand used in the construction; sludge and purified water, discharged into hydro-basins. Simultaneously, attention should be paid of the environmental challenges in relation to the circular economy. The sludge use should become a national policy with a direct governmental engagement, having in view that wastewater treatment plants and wastewater safety are strategic guidelines. Statistical information was used by Eurostat and the Ministry of Agriculture and Food and Forestry (MAFF)’s Agristatistics Department (2020). A brief literature review of publications on the topic is made at the outset. Thereafter, more light is placed on the regulatory framework in the EU and Bulgaria. The analysis continues with the situation so far, based on existing statistics on the quantities of sludge received and its utilization in agriculture in the European countries and in Bulgaria. Dependence and sludge effect on grain yield are determined on the basis of regression analysis.
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Conference papers on the topic "Grail literature"

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Zhao, Jingyi, G. X. Wang, Yalin Dong, and Chang Ye. "A Cellular Automata Model for Nitriding of Nanocrystalline Iron." In ASME 2015 International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/msec2015-9316.

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In this study, a numerical model was developed to investigate the effects of grain refinement on the efficiency of nitrogen diffusion during the nitriding process. A cellular automata (CA) model without considering the effects of grain boundaries was built to simulate the nitriding process. The results from the numerical model were compared and validated by experimental data in the literature. Then, nanoscale grain boundaries were integrated into this CA model. The nitriding efficiency in materials with different grain sizes was investigated. The results demonstrate that nanocrystallization can significantly increase the nitrogen diffusion efficiency and thus make low temperature (300°C) nitriding possible.
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English, Timothy S., Justin L. Smoyer, John C. Duda, Pamela M. Norris, Thomas E. Beecham, and Patrick E. Hopkins. "Modeling Grain Boundary Scattering and Thermal Conductivity of Polysilicon Using an Effective Medium Approach." In ASME/JSME 2011 8th Thermal Engineering Joint Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajtec2011-44657.

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This work develops a new model for calculating the thermal conductivity of polycrystalline silicon using an effective medium approach which discretizes the contribution to thermal conductivity into that of the grain and grain boundary regions. While the Boltzmann transport equation under the relaxation time approximation is used to model the grain thermal conductivity, a lower limit thermal conductivity model for disordered layers is applied in order to more accurately treat phonon scattering in the grain boundary regions, which simultaneously removes the need for fitting parameters frequently used in the traditional formation of grain boundary scattering times. The contributions of the grain and grain boundary regions are then combined using an effective medium approach to compute the total thermal conductivity. The model is compared to experimental data from literature for both undoped and doped polycrystalline silicon films. In both cases, the new model captures the correct temperature dependent trend and demonstrates good agreement with experimental thermal conductivity data from 20 to 300K.
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Shi, Jing, Yachao Wang, and Xiaoping Yang. "Inverse Hall-Petch Effect in Atomistic Machining of Polycrystalline Copper Structures." In ASME 2011 International Manufacturing Science and Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/msec2011-50288.

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In this study, a preliminary investigation about the grain size effect in machining of polycrystalline copper structures at atomistic scale is carried out using molecular dynamics simulation. Four copper structures with different grain sizes are chosen for simulation. The four structures consist of 16, 64, 128, and 256 grains, and the corresponding equivalent grain sizes are 13.6, 8.6, 6.8, and 5.4 nm, respectively. The results show that significant smaller forces are required to machine the copper workpiece in both the tangential and thrust directions as the grain size decreases. The magnitude of equivalent stress distribution also becomes smaller with the decrease of grain size. It disagrees with the commonly accepted strengthening effect (i.e., the Hall-Petch relation) for polycrystalline materials as a result of grain size reduction. This phenomenon can be explained by the inverse Hall-Petch relation proposed in literature in recent years. According to the new relation, the polycrystalline material strength decreases as the grain size decreases within a threshold value. This can be further attributed to the fact that the dominant deformation mode is changed from dislocation movement to other mechanisms such as grain boundary sliding with very fine nano-structured polycrystalline.
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Shu, Y., X. Ai, and B. Q. Li. "Discontinuous Finite Element Modeling of Grain Growth Behavior of Polycrystalline Material." In ASME 2005 Summer Heat Transfer Conference collocated with the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems. ASMEDC, 2005. http://dx.doi.org/10.1115/ht2005-72531.

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In this paper, a discontinuous finite element solution to the phase-field equations for the microstructure evolution of polycrystalline material is presented. The mathematical formulation and numerical implementation are discussed. Numerical studies are conducted on the interactions between multiple grain seeds with different orientations during solidification. The discontinuous numerical scheme is validated by the results reported in literature. The effects the pulling rate, the size and orientation of the grain seeds on the microstructure formation of interface are investigated using the presented model. Results show that the initial orientation of the grain seed plays a dominant role in the final crystallography of the crystals.
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Churi, N. J., Z. J. Pei, and C. Treadwell. "Wheel Wear Mechanisms in Rotary Ultrasonic Machining of Titanium." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-41831.

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Many experiments have been conducted to study various types of outputs (such as material removal rate, material removal mechanisms, cutting force, surface roughness, wheel wear, and edge chipping) while rotary ultrasonic machining (RUM) of different workpiece materials. However, literature review has revealed that there is no reported study on wheel wear while RUM of titanium alloys. This paper reports experimental investigations on the wheel wear mechanisms in RUM of a titanium alloy. The types of wheel wear mechanisms observed include: attritious wear, grain pullout, diamond grain cracking and fracture, metal bond cracking and fracture.
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6

Reda, M. R. "The Critical Heat Flux in Nucleate Boiling Heat Transfer: Part I—The Chemical Actuator Mechanism." In ASME 2009 7th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2009. http://dx.doi.org/10.1115/icnmm2009-82114.

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Nucleate boiling heat transfer is first introduced and the literature is reviewed. It was concluded that the passive layer and the grain boundaries are responsible for the transfer to the nucleate boiling regime. Based on the recent work of Biener and his collaborators (Nature Material 2008) and the Gibbs rule of thermodynamics, a possible mechanism was outlined. The mechanism assumes that each grain in the passive layer act as a chemical actuator which is driven by microstructure phase change. The new mechanism agrees well with the experimental results, in good agreement with previous models and can explain why and how CHF occurs.
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7

Pan, Liming, Ben Dawson, Jacqueline Krim, Colin Baker, James Pearson, Mohammed Zikry, and Andrey Vovoedin. "Nanoscale Design of Adaptive Tribological Coatings." In STLE/ASME 2008 International Joint Tribology Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ijtc2008-71196.

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We report a joint theoretical and experimental study of the tribological properties of gold-yttrium stabilized zirconia (YSZ) based nanocomposite coatings, with a focus on the role of nanocrystalline grain size. Nanocomposites hold great promise for space and ambient applications, on account of their ability to adapt to and exhibit low friction and wear rates in constantly varying environmental conditions. Their internal structure has been the topic of prior literature, but the impact of grain size on tribological performance has heretofore not been considered, and the surface topology has not been reported. As such, we have performed both experimental and theoretical studies, to model the impact of grain size on film stress and wear attributes, and to document surface region grain size distributions through scanning tunneling microscopy (STM) measurements of self-affine fractal scaling properties. Nanocrystalline gold crystal sizes, as determined from STM and x-ray diffraction (XRD) data are consistent with those inferred from high resolution transmission electron microscopy (HRTEM) measurements. Our modeling results associate smaller grain sizes with lower wear rates, consistent with experiments. The findings show promise for nanoscale customization of coatings so as to tailor them at the nanoscale in an application specific manner.
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8

Buenos, Alexandre Aparecido, Auteliano Antunes dos Santos, Paulo Pereira, and Cleudiane Soares Santos. "Effect of Mean Grain Size in the Time of Flight for Lcr Waves." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-89055.

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The ultrasonic methods are widely used for evaluation of materials for its inexpensive and practical features. Among the largely used ultrasonic methods is the Critically Refracted Longitudinal Waves (Lcr), which applies longitudinal bulk waves travelling right below the surface, parallel to it. The method can be used to measure stresses near the surface through acoustoelasticity. However, the materials microstructure directly influences the propagation of these waves. The mean grain size is one of the factors that affect the wave speed. The purpose of this paper is to evaluate the effect of mean austenitic grain size in the time of flight (TOF) of Lcr wave. Samples (CDPs) of ASTM A36 steel were manufactured with dimensions of 5/8″ × 6″ × 12″. These were submitted to heat treating at the different temperatures ranges and cooled in air to generate different grain sizes. The results were compared to the grain size estimated in the literature and obtained from optical microscopy. The study showed a clear dependence of TOF on mean austenitic grain size for ASTM A36 steel. Such effect has to be studied to allow stress measurements with Lcr waves.
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9

Rosen, David W. "Multi-Scale, Heterogeneous CAD Representation for Metal Alloy Microstructures." In ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/detc2014-34563.

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Most heterogeneous CAD representations in the literature represent materials using a volume fraction vector, which may not by physically realizable or meaningful. In contrast, the multi-scale, heterogeneous CAD representation presented here models materials using their microstructure. For the specific metal alloys of interest in this work, the material model is a probabilistic model of grain characteristics, represented as cumulative distribution functions. Several microstructure reconstruction algorithms are presented that enable different alloy grain structures to be reconstructed in a part model. Reconstructions can be performed at any desired size scale, illustrating the multi-scale capability of the representation. A part rendering algorithm is presented for displaying parts with their material microstructures. The multi-scale, heterogeneous CAD representation is demonstrated on two Inconel alloys and is shown to be capable of faithfully reconstructing part representations consistent with the probabilistic grain models.
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10

Bhatt, Chinmay P., and Stephen T. McClain. "Assessment of Uncertainty in Equivalent Sand-Grain Roughness Methods." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-42105.

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The equivalent sand-grain roughness model is an empirical model initiated by Schlichting for predicting skin friction and heat transfer for turbulent flows over rough surfaces. For the equivalent sand-grain roughness model, rough surfaces with various features are compared to data from Nikuradse concerning flow in pipes with varying sizes of sieved sand glued to the wetted surface. Rough surfaces are assigned a value of equivalent sand-grain roughness height based on comparisons with Nikuradse’s fully rough data. Recent literature on the equivalent sand-grain roughness method has involved seeking correlations for equivalent sand-grain roughness height based on roughness metrics such as height, shape, and density. The Sigal-Danberg parameter has demonstrated the most promise for correlating the available equivalent roughness height data to geometric surface information. The Sigal-Danberg parameter was recently modified to include the mean surface elevation as an important parameter. While the modified Sigal-Danberg parameter provides a unified correlation for the equivalent sand-grain roughness height, the new formulation does not improve the scatter of the experimental data around the correlation. An uncertainty analysis is presented to evaluate the uncertainty of equivalent sand-grain roughness height predictions using the unified correlation. The analysis begins by estimating the uncertainties in the experimental measurements of Schlichting, and the uncertainty propagation is evaluated through each step of the equivalent sand-grain method development. The uncertainty associated with using empirical equations and conceptual uncertainties not associated with experimental measurements are also discussed. The result is an improved understanding of and uncertainty quantification for skin friction and heat transfer predictions made using equivalent sand-grain roughness methods.
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