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Faculty Information

Yu Zhang, PhD
Associate Professor
Biomaterials and Biomimetics
Room 813C Dental Center, 421 First Avenue
E-mail:

 

Education:

1986  BS, Physics, Shanghai Normal University, China

1997  MS, Physics, La Trobe University, Australia

2002  PhD, Materials Science and Engineering, Monash University, Australia

 

Research Interests / Professional Overview:

·        Development of functionally graded ceramic structures for damage resistance and aesthetics and/or bioactivities

·        Fatigue behavior of functionally graded ceramics¾Synthesis, experiments, and analysis

·        Damage initiation and propagation in ceramic dental restorations

·        Mechanical reliability and lifetime prediction for biomechanical structures—all-ceramic dental crowns and ceramic hip components

·        Development of novel ceramic matrix composites for dental applications and scaffolds for bone regeneration

·        Microwave sintering of dental ceramics for restorative dentistry

·        Effects of calcium phosphate glasses on bone properties

 

Current Funding:

·        Graded Zirconia Structures for Resistance to Chipping, Delamination, and Fatigue - NIH/NIDCR

·        Slow Crack Growth Behavior and Fatigue Strength of Lithium Disilicate Glass-Ceramics - Ivoclar Vivadent AG

·        Fabrication of Graded Zirconia Bar Specimens - Straumann USA, LLC

 

Representative Publications:

Baldassarri M, Stappert CFJ, Wolff MS, Thompson VP, Zhang Y. Residual Stresses in Porcelain-Veneered Zirconia Prostheses. Dental Materials, Vol. 28(8), pp. 873-879, 2012.

https://files.nyu.edu/xythoswfs/webui/_xy-7468641_1-t_f9RvhlAD

 

Zhang Y. Overview: Damage Resistance of Graded Ceramic Restorative Materials. Journal of the European Ceramic Society, Vol. 32, pp. 2623-2632, 2012.

https://files.nyu.edu/xythoswfs/webui/_xy-7468634_1-t_v58t9SYQ

 

Zhang Y, Chai H, Lee JJW, Lawn BR. Chipping Resistance of Graded Zirconia Ceramics for Dental Crowns. Journal of Dental Research, Vol. 91(3), pp. 311-315, 2012.

https://files.nyu.edu/xythoswfs/webui/_xy-7468343_1-t_JtJHcg4l

 

Zhang Y, Sun MJ, Zhang D. Designing Functionally Graded Materials with Superior Load-Bearing Properties. Acta Biomaterilia, Vol. 6(3), pp. 1101-1108, 2012.

https://files.nyu.edu/xythoswfs/webui/_xy-7468428_1-t_jABGSQVg

 

Dorthé E, Zhang Y. Load-Bearing Increase in Alumina Evoked by Introduction of a Functional Glass Gradient. Journal of the European Ceramic Society, Vol. 32, pp. 1213-1220, 2012.

https://files.nyu.edu/xythoswfs/webui/_xy-7468617_1-t_LXSpq1pg

 

Ren L, Janal MN, Zhang Y. Sliding Contact Fatigue of Graded Zirconia with External Esthetic Glass. Journal of Dental Research, Vol. 90(9), pp.1116-1121, 2011.

https://files.nyu.edu/xythoswfs/webui/_xy-7468645_1-t_0lj1utSl

 

Ren L, Liu L, Bhowmick S, Gerbig YB, Janal MN, Thompson VP, Zhang Y. Improving Fatigue Damage Resistance of Alumina through Surface Grading. Journal of Dental Research, Vol. 90(8), pp.1026-1030, 2011.

https://files.nyu.edu/xythoswfs/webui/_xy-7468609_1-t_njxb5FCq

 

Zhang Y, Kim JW. Graded Zirconia-Glass for Resistance to Veneer Fracture. Journal of Dental Research, Vol. 89(10), pp.1057-1062. 2010.

https://files.nyu.edu/xythoswfs/webui/_xy-7468451_1-t_SE8xZmOM

 

Kim JW, Liu L, Zhang Y. Improving the Resistance to Sliding Contact Damage of Zirconia Using Elastic Gradients. Journal of Biomedical Materials Research—Part B Applied Biomaterials, Vol. 94B(2), pp.347-352, 2010.

https://files.nyu.edu/xythoswfs/webui/_xy-7468610_1-t_8F06LA4r

 

Zhang Y, Chai H, Lawn BR. Graded Structures for All-ceramic Restorations. Journal of Dental Research, Vol. 89(4), pp.417-421, 2010.

https://files.nyu.edu/xythoswfs/webui/_xy-7468449_1-t_yqAJHCt6

 

Kim JW, Covel NS, Guess PC, Rekow ED, Zhang Y. Concerns of Hydrothermal Degradation in CAD/CAM Zirconia. Journal of Dental Research, Vol. 89(1), pp.91-95, 2010.

https://files.nyu.edu/xythoswfs/webui/_xy-7468413_1-t_neGpSooK

 

Zhang Y, Ma L. Optimization of Ceramic Strength Using Elastic Gradients. Acta Materialia, Vol. 57, pp.2721-2729, 2009.

https://files.nyu.edu/xythoswfs/webui/_xy-7468633_1-t_NzX1ypei

 

Zhang Y, Kim JW. Graded Structures for Damage Resistant and Aesthetic All-Ceramic Restorations. Dental Materials, Vol. 25(6), pp.781-790, 2009.

https://files.nyu.edu/xythoswfs/webui/_xy-7468450_1-t_8HARI5FM

 

Kim JW, Thompson VP, Rekow ED, Jung YG, Zhang Y. Fracture Modes in Curved Brittle Layers Subject to Concentrated Cyclic Loading in Liquid Environments. Journal of Materials Research, Vol. 24(3), pp.1075-1081, 2009.

https://files.nyu.edu/xythoswfs/webui/_xy-7468439_1-t_nTfWUQ8p

 

Zhang Y, Kim JW, Bhowmick S, Thompson VP, Rekow ED. Competition of Fracture Mechanisms in Monolithic Dental Ceramics: Flat Model Systems. Journal of Biomedical Materials Research—Part B Applied Biomaterials, Vol. 88(2), pp.402-411, 2009.

https://files.nyu.edu/xythoswfs/webui/_xy-7468412_1-t_fnq22Kqm

 

Rekow ED, Zhang GM, Thompson VP, Kim JW, Coehlo P, Zhang Y. Effects of Geometry on Fracture Initiation and Propagation in All-Ceramic Crowns. Journal of Biomedical Materials Research—Part B Applied Biomaterials, Vol. 88(2), pp.436-446 2009.

https://files.nyu.edu/xythoswfs/webui/_xy-7468431_1-t_5qdMLJmk

 

Kim JW, Kim JH, Janal MN, Zhang Y. Damage Maps of Veneered Zirconia under Simulated Mastication. Journal of Dental Research, Vol. 87(12), pp.1127-1132, 2008.

https://files.nyu.edu/xythoswfs/webui/_xy-7468420_1-t_aP3TKvvq

 

Kim JH, Kim JW, Myoung SW, Pines M, Zhang Y. Damage Maps for Layered Ceramics under Simulated Mastication. Journal of Dental Research, Vol. 87(7), pp.671-675, 2008.

https://files.nyu.edu/xythoswfs/webui/_xy-7468419_1-t_YCbLIGT6

 

Zhang Y, Kim JW, Kim JH, Lawn BR. Fatigue Damage in Ceramic Coatings from Cyclic Contact Loading with Tangential Component. Journal of the American Ceramic Society, Vol. 91(1), pp. 198-202, 2008.

https://files.nyu.edu/xythoswfs/webui/_xy-7468437_1-t_PFbK7bRV

 

Kim JW, Kim JH, Thompson VP, Zhang Y. Sliding Contact Fatigue Damage in Layered Ceramic Structures. Journal of Dental Research, Vol. 86(11), pp.1046-1050, 2007.

https://files.nyu.edu/xythoswfs/webui/_xy-7468644_1-t_SGxkhlJJ

 

Lawn BR, Bhowmick S, Bush MB, Qasim T, Rekow ED, Zhang Y. Failure Modes in Ceramic-Based Layer Structures: A Basis for Materials Design of Dental Crowns. Journal of the American Ceramic Society, Vol. 90(6), pp.1671-1683, 2007.

https://files.nyu.edu/xythoswfs/webui/_xy-7468435_1-t_AXdCA3Ez

 

Kim B, Zhang Y, Pines M, Thompson VP. Fracture of Porcelain Veneered Structures in Fatigue. Journal of Dental Research, Vol. 86(2), pp. 142-146, 2007.

https://files.nyu.edu/xythoswfs/webui/_xy-7468448_1-t_e2G5BGj0

 

Zhang Y, Lawn BR, Malament KA, Thompson VP, Rekow ED. Damage Accumulation and Fatigue Life of Sandblasted Dental Ceramics. International Journal of Prosthodontics, Vol. 19(5), pp. 442-448, 2006.

https://files.nyu.edu/xythoswfs/webui/_xy-7468414_1-t_NDwcYBAX

 

Zhang Y, Xu HHK, Takagi S, Chow LC. In-situ Hardening Hydroxyapatite-Based Scaffold for Bone Repair. Journal of Materials Science: Materials in Medicine, Vol. 17, pp. 437-445, 2006.

https://files.nyu.edu/xythoswfs/webui/_xy-7468616_1-t_CrrxbSOQ

 

Zhang Y, Cheng YB. Use of HEMA in Gelcasting of Ceramics: A Case Study on Fused Silica. Journal of the American Ceramic Society, Vol. 89(9), pp. 2933-2935, 2006.

https://files.nyu.edu/xythoswfs/webui/_xy-7468647_1-t_pJAnnhOW

 

Zhang Y, Xu HHK. Effects of Synergistic Reinforcement and Absorbable Fiber Strength on Hydroxyapatite Bone Cement. Journal of Biomedical Materials Research Part A, Vol. 75(4), pp. 832-840, 2005.

https://files.nyu.edu/xythoswfs/webui/_xy-7468432_1-t_0kxwMA9k

 

Zhang Y, Bhowmick S, Lawn BR. Competing Fracture Modes in Brittle Materials Subject to Concentrated Cyclic Loading in Liquid Environments: Monoliths. Journal of Materials Research, Vol. 20(8), pp. 2021-2029, 2005.

https://files.nyu.edu/xythoswfs/webui/_xy-7468344_1-t_cdgI1Pva

 

Zhang Y, Song JK, Lawn BR. Deep Penetrating Conical Cracks in Brittle Layers from Hydraulic Cyclic Contact. Journal of Biomedical Materials Research—Part B Applied Biomaterials, Vol. 73B, pp. 186-193, 2005.

https://files.nyu.edu/xythoswfs/webui/_xy-7468421_1-t_9AxR6hI2

 

Zhang Y, Lawn BR. Fatigue Sensitivity of Y-TZP to Microscale Sharp-Contact Flaws. Journal of Biomedical Materials Research—Part B Applied Biomaterials, Vol. 72B, pp. 388-392, 2005.

https://files.nyu.edu/xythoswfs/webui/_xy-7468438_1-t_1vW0A1qg

 

Zhang Y, Cheng YB, Lathabai S, Hirao K. Erosion Response of Highly Anisotropic Silicon Nitride. Journal of the American Ceramic Society, Vol. 88(1), pp. 114-120, 2005.

https://files.nyu.edu/xythoswfs/webui/_xy-7468434_1-t_zd5gAzrI

 

Zhang Y, Lawn BR, Rekow ED, Thompson VP. Effect of Sandblasting on the Long-Term Performance of Dental Crowns. Journal of Biomedical Materials Research—Part B Applied Biomaterials, Vol. 71B(2), pp. 381-386, 2004.

https://files.nyu.edu/xythoswfs/webui/_xy-7468429_1-t_YSWSULEw

 

Zhang Y, Pajares A, Lawn BR. Fatigue and Damage Tolerance of Y-TZP Ceramics in Layered Biomechanical Systems. Journal of Biomedical Materials Research—Part B Applied Biomaterials, Vol. 71B(1), pp. 166-171, 2004.

https://files.nyu.edu/xythoswfs/webui/_xy-7468436_1-t_3xeOj4aP

 

Zhang Y, Lawn BR. Long-Term Strength of Ceramics for Biomechanical Applications. Journal of Biomedical Materials Research—Part B Applied Biomaterials, Vol. 69B, pp. 166-172, 2004.

https://files.nyu.edu/xythoswfs/webui/_xy-7468622_1-t_A7gQuBFN

 

Zhang Y, Cheng YB. Microstructural Design of Ca a-sialon Ceramics: Effects of Starting Compositions and Processing Conditions. Journal of the European Ceramic Society, Vol. 23, pp. 1531-1541, 2003.

https://files.nyu.edu/xythoswfs/webui/_xy-7468629_1-t_kTxdQ8jt

 

Zhang Y, Cheng YB, Lathabai S. Influence of Microstructure on the Erosive Wear Behaviour of Ca a-sialon Materials. Journal of the European Ceramic Society, Vol. 21, pp. 2435-2445, 2001.

https://files.nyu.edu/xythoswfs/webui/_xy-7468611_1-t_76UUkVSS

 

Zhang Y, Cheng YB, Lathabai S. Erosion of Alumina Ceramics by Air- and Water-Suspended Garnet Particles. Wear, Vol. 240, pp. 40-51, 2000.

https://files.nyu.edu/xythoswfs/webui/_xy-7468433_1-t_o4P6OydX

 

Zhang Y, Xue JY, Con Foo JA, Stampfl APJ, Ziegler A, Graupner B, Hollering M, Denecke R, Ley L, Wolfframm D, Evans DA, Riley JD, Leckey RCG. The Valence Band Structure of the ZnSe(100)-(2´1) Surface as Determined by Angle-Resolved Photoemission Spectroscopy, Surface Science, Vol. 377-379, pp. 288-293, 1997.

https://files.nyu.edu/xythoswfs/webui/_xy-7469179_1-t_uOESYdT4

 

Book Chapter:

 

Zhang Y. Silicon Nitride and Silicon Carbide Based Ceramics in Ceramic Matrix Composites edited by I. M. Low, Woodhead Publishing Limited, Abington, Cambridge, England, 2006.

https://files.nyu.edu/xythoswfs/webui/_xy-7468341_1-t_G30kqXYq