Search Results - "Lawn, Brian R"

Edge chipping and flexural resistance of monolithic ceramics by Zhang, Yu, Lee, James J.-W, Srikanth, Ramanathan, Lawn, Brian R

“…Abstract Objective Test the hypothesis that monolithic ceramics can be developed with combined esthetics and superior fracture resistance to circumvent…”
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Phytoliths can cause tooth wear by Rodriguez-Rojas, Fernando, Borrero-Lopez, Oscar, Constantino, Paul J, Henry, Amanda G, Lawn, Brian R

“…Comparative laboratory sliding wear tests on extracted human molar teeth in artificial saliva with third-body particulates demonstrate that phytoliths can be…”
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Remarkable resilience of teeth by Chai, Herzl, Lee, James J.-W, Constantino, Paul J, Lucas, Peter W, Lawn, Brian R

“…Tooth enamel is inherently weak, with fracture toughness comparable with glass, yet it is remarkably resilient, surviving millions of functional contacts over…”
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A universal relation for edge chipping from sharp contacts in brittle materials: A simple means of toughness evaluation by Chai, Herzl, Lawn, Brian R.

“…An analysis of chipping fracture in brittle solids is presented. Cracks are introduced into the edges of selected materials, including soda-lime glass and…”
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The Compelling Case for Indentation as a Functional Exploratory and Characterization Tool by Marshall, David B., Cook, Robert F., Padture, Nitin P., Oyen, Michelle L., Pajares, Antonia, Bradby, Jodie E., Reimanis, Ivar E., Tandon, Rajan, Page, Trevor F., Pharr, George M., Lawn, Brian R.

“…The utility of indentation testing for characterizing a wide range of mechanical properties of brittle materials is highlighted in light of recent articles…”
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Mechanics analysis of molar tooth splitting by Barani, Amir, Chai, Herzl, Lawn, Brian R., Bush, Mark B.

“…[Display omitted] A model for the splitting of teeth from wedge loading of molar cusps from a round indenting object is presented. The model is developed in…”
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Analysis of fracture and deformation modes in teeth subjected to occlusal loading by Lawn, Brian R., Lee, James J-W.

“…An analysis of fracture and deformation modes in tooth enamel subjected to occlusal loading is presented. Several competing modes are identified: deformation…”
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Tooth chipping can reveal the diet and bite forces of fossil hominins by Constantino, Paul J., Lee, James J.-W., Chai, Herzl, Zipfel, Bernhard, Ziscovici, Charles, Lawn, Brian R., Lucas, Peter W.

“…Mammalian tooth enamel is often chipped, providing clear evidence for localized contacts with large hard food objects. Here, we apply a simple fracture…”
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Inferring biological evolution from fracture patterns in teeth by Lawn, Brian R, Bush, Mark B, Barani, Amir, Constantino, Paul J, Wroe, Stephen

“…It is hypothesised that specific tooth forms are adapted to resist fracture, in order to accommodate the high bite forces needed to secure, break down and…”
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Evaluating dental zirconia by Zhang, Yu, Lawn, Brian R.

“…To survey simple contact testing protocols for evaluating the mechanical integrity of zirconia dental ceramics. Specifically, to map vital material property…”
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Effect of sandblasting on the long-term performance of dental ceramics by Zhang, Yu, Lawn, Brian R., Rekow, E. Dianne, Thompson, Van P.

“…A study has been made of the effects of sandblasting on the strength of Y‐TZP and alumina ceramic layers joined to polymeric substrates and loaded at the top…”
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Science and art of ductile grinding of brittle solids by Huang, Han, Li, Xuliang, Mu, Dekui, Lawn, Brian R.

“…Prior to any practical application, brittle material components may need to be machined to a high degree of precision in order to avoid functional breakdown as…”
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Effect of property gradients on enamel fracture in human molar teeth by Barani, Amir, Bush, Mark B., Lawn, Brian R.

“…A model for the fracture of tooth enamel with graded elastic modulus and toughness is constructed using an extended finite element modeling (XFEM) package. The…”
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Chipping: a pervasive presence in nature, science and technology by Lawn, Brian R.

“…Chipping is an all too common occurrence in nature, ubiquitous in various aspects of home and outdoor experience. While it can have deleterious consequences,…”
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The influence of fallback foods on great ape tooth enamel by Constantino, Paul J., Lucas, Peter W., Lee, James J.-W., Lawn, Brian R.

“…Lucas and colleagues recently proposed a model based on fracture and deformation concepts to describe how mammalian tooth enamel may be adapted to the…”
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Adaptation to hard-object feeding in sea otters and hominins by Constantino, Paul J., Lee, James J.-W., Morris, Dylan, Lucas, Peter W., Hartstone-Rose, Adam, Lee, Wah-Keat, Dominy, Nathaniel J., Cunningham, Andrew, Wagner, Mark, Lawn, Brian R.

“…The large, bunodont postcanine teeth in living sea otters ( Enhydra lutris) have been likened to those of certain fossil hominins, particularly the ’robust’…”
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Micromechanics of machining and wear in hard and brittle materials by Lawn, Brian R., Borrero‐Lopez, Oscar, Huang, Han, Zhang, Yu

“…Hard and brittle solids with covalent/ionic bonding are used in a wide range of modern‐day manufacturing technologies. Optimization of a shaping process can…”
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Critique of materials‐based models of ductile machining in brittle solids by Huang, Han, Lawn, Brian R., Cook, Robert F., Marshall, David B.

“…Indentation fracture models of ductile machining in hard and brittle materials are critically appraised. Relations obtained in a seminal study for critical…”
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Materials design in the performance of all-ceramic crowns by Lawn, Brian R., Pajares, Antonia, Zhang, Yu, Deng, Yan, Polack, Mariano A., Lloyd, Isabel K., Rekow, E.Dianne, Thompson, Van P.

“…Results from a systematic study of damage in material structures representing the basic elements of dental crowns are reported. Tests are made on model…”
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Threshold damage mechanisms in brittle solids and their impact on advanced technologies by Lawn, Brian R., Huang, Han, Lu, Mingyuan, Borrero-López, Óscar, Zhang, Yu

“…Threshold damage mechanisms in brittle covalent–ionic solids are outlined. Fracture and deformation modes are analyzed in terms of classical contact mechanics…”
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