GRADED CERAMICS FOR IMPROVED CONTACT-DAMAGE RESISTANCE: A REVIEW

2004 ◽  
Vol 05 (04) ◽  
pp. 731-752
Author(s):  
NITIN P. PADTURE
Keyword(s):  
Contact Damage ◽  
Damage Resistance

Interfacial stability and contact damage resistance by incorporating buffer layer in thermal barrier coatings

2010 ◽  
Vol 67 (2) ◽  
pp. 95-101 ◽  
Author(s):  
Jae-Young Kwon ◽  
Sung-Il Jung ◽  
Sang-Yeop Lee ◽  
Pyung-Ho Lee ◽  
Je-Hyun Lee ◽  
...  
Keyword(s):  
Buffer Layer ◽  
Thermal Barrier Coatings ◽  
Thermal Barrier ◽  
Interfacial Stability ◽  
Contact Damage ◽  
Damage Resistance ◽  
Barrier Coatings

scholarly journals Contact damage resistance of TiN-coated hardmetals: Beneficial effects associated with substrate grinding

2015 ◽  
Vol 275 ◽  
pp. 133-141 ◽  
Author(s):  
J. Yang ◽  
F. García Marro ◽  
T. Trifonov ◽  
M. Odén ◽  
M.P. Johansson-Jõesaar ◽  
...  
Keyword(s):  
Contact Damage ◽  
Damage Resistance ◽  
Beneficial Effects

Improved strength-impairing contact damage resistance of Ti3Si(Al)C2/SiC composites

2007 ◽  
Vol 27 (4) ◽  
pp. 2069-2076 ◽  
Author(s):  
Detian Wan ◽  
Yanchun Zhou ◽  
Chunfeng Hu ◽  
Yiwang Bao
Keyword(s):  
Contact Damage ◽  
Damage Resistance ◽  
Sic Composites

Contact damage in porcelain/Pd-alloy bilayers

2000 ◽  
Vol 15 (3) ◽  
pp. 676-682 ◽  
Author(s):  
Hong Zhao ◽  
Xiaozhi Hu ◽  
Mark B. Bush ◽  
Brian R. Lawn
Keyword(s):  
Metal Interface ◽  
Contact Damage ◽  
Damage Resistance ◽  
Transverse Cracking ◽  
Dental Crowns ◽  
Contact Loads ◽  
Alloy Base ◽  
Pd Alloy ◽  
Failure Conditions

An analysis is made of contact damage in brittle coatings on metal substrates, using a case study of a dental porcelain coating of thickness between 0.1 and 1 mm fused onto a Pd alloy base, with spherical indenter of radii 2.38 and 3.98 mm. At large coating thicknesses (>300 μm), the first damage takes the form of surface-initiated transverse cone cracks outside the contact. At small coating thicknesses (<300 μm), the first damage occurs as yield in the substrate, with attendant formation of subsurface transverse median cracks in the coating. At high loads and thin coatings, both forms of transverse cracking occur, along with subsequent delamination of the ceramic/metal interface, signalling impending failure. Conditions for avoiding such transverse cracking are considered in terms of minimum coating thicknesses and maximum sustainable contact loads. General implications concerning the design of brittle coating systems for optimum damage resistance are considered, with special reference to dental crowns.

Gradients in elastic modulus for improved contact-damage resistance. part ii: the silicon nitride–silicon carbide system

2001 ◽  
Vol 49 (16) ◽  
pp. 3263-3268 ◽  
Author(s):  
D.C Pender ◽  
S.C Thompson ◽  
N.P Padture ◽  
A.E Giannakopoulos ◽  
S Suresh
Keyword(s):  
Silicon Carbide ◽  
Elastic Modulus ◽  
Silicon Nitride ◽  
Contact Damage ◽  
Damage Resistance ◽  
Carbide System

Fracture Strength and Damage Resistance of Freeze Cast Alumina/Zirconia Layered Composites

2006 ◽  
Vol 324-325 ◽  
pp. 351-354 ◽  
Author(s):  
Seung Woo Lyu ◽  
Dae Seok Han ◽  
Young Min Park ◽  
Tae Young Yang ◽  
Jae Myung Lee ◽  
...  
Keyword(s):  
Compressive Stress ◽  
Fracture Strength ◽  
Outer Layer ◽  
Layered Composite ◽  
Pressureless Sintering ◽  
Freeze Casting ◽  
Bend Strength ◽  
Layered Composites ◽  
Contact Damage ◽  
Damage Resistance

Symmetric three-layer Al2O3/ZrO2 composites have been prepared by freeze casting and pressureless sintering at 1400-1600o C in air. The layered composite with Al2O3 containing 15 vol.% ZrO2 as an outer layer and containing 20 vol.% ZrO2 as an inner layer, sintered at 1600o C showed the maximum bend strength (300 MPa). Contact damage resistance was superior in layered composites compared with monolithic materials, possibly due to the development of compressive stress in the outer layer.

Interfacial stability and contact damage resistance by incorporating buffer layer in thermal barrier coatings

2010 ◽  
Vol 68 (1-2) ◽  
pp. 135-141 ◽  
Author(s):  
Jae-Young Kwon ◽  
Sung-Il Jung ◽  
Sang-Yeop Lee ◽  
Pyung-Ho Lee ◽  
Je-Hyun Lee ◽  
...  
Keyword(s):  
Buffer Layer ◽  
Thermal Barrier Coatings ◽  
Thermal Barrier ◽  
Interfacial Stability ◽  
Contact Damage ◽  
Damage Resistance ◽  
Barrier Coatings
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