Influence of surface preparation on the rotating flexural fatigue of Mg-PSZ

Zelizko, V.; Swain, Michael V.

doi:10.1007/bf01154016

Cited by 11 publications

(5 citation statements)

References 9 publications

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Section: Introductionmentioning

confidence: 99%

“…Accordingly, it is important to assess the fatigue strength characteristics of zirconia, and many studies have been carried out in this regard. [2][3][4][5] In the process of manufacturing of ceramic components, machining procedures such as grinding which may initiate the formation of surface cracks, are carried out. This leads to reduction in the fatigue strength if the size of the crack is larger than the acceptable size.…”

Section: Introductionmentioning

confidence: 99%

“…This leads to reduction in the fatigue strength if the size of the crack is larger than the acceptable size. 3,4 Shot peening (SP) is a surface treatment process that involves impacting a surface with shots. The main purpose of SP is to increase the fatigue strength and prevent the stress corrosion cracking of metals.…”

Section: Introductionmentioning

confidence: 99%

“…This leads to reduction in the fatigue strength if the size of the crack is larger than the acceptable size. 3,4…”

Section: Introductionmentioning

confidence: 99%

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Increased fatigue strength of partially stabilised zirconia achieved by shot peening

Takahashi

Iwanaka

Koike

2017

Materials Science and Technology

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The effects of shot peening (SP) on the fatigue strength of partially stabilised zirconia were studied. Smooth specimens and specimens containing a surface pre-crack with depths in the range 35–110 μm were subjected to SP. The cyclic fatigue tests were performed using a three-point bending setup. SP introduced compressive residual stresses on the specimens and improved their fatigue strengths. The shot peened specimens with pre-crack depths ≤ 50 μm fractured outside the pre-crack area and exhibited considerably high fatigue limits, equivalent to those of the shot peened smooth specimens. Therefore, the pre-cracks with depths ≤ 50 μm could be rendered harmless by SP, which was confirmed by the theoretical estimations based on fracture mechanics.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…This leads to reduction in the fatigue strength if the size of the crack is larger than the acceptable size. 3,4…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Increased fatigue strength of partially stabilised zirconia achieved by shot peening

Takahashi

Iwanaka

Koike

2017

Materials Science and Technology

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“…A dependency of lifetime on cyclic loading frequency was also observed which is in contrast to the predictions of static tests [9,11]. Test data verifying enhanced crack growth rate under cyclic loading compared with static loading now exist for other brittle monolithic ceramics (e.g., silicon nitride [12][13][14][15][16][17]), toughened ceramics (e.g.,magnesia-partially-stabilized zirconia [18][19][20][21][22][23][24][25][26][27][28]), sintered zirconia (e.g., ytt<ia-stabilized zircons [29][30][31]), and reinforced alumina [32].…”

Section: Introductionmentioning

confidence: 99%

Life Prediction and Reliability Analysis of Ceramic Structures Under Combined Static and Cyclic Fatigue

Rahman

Nemeth

Gyekenyesi

1998

Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation;

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This paper presents a computational methodology for life prediction and time-dependent reliability analysis of ceramic structures under combined effects of static and cyclic fatigue. It involves (1) a crack-growth equation representing damage contributions from both static and cyclic fatigue, (2) a multivariate nonlinear regression model for performing parameter estimation from fatigue data generated by small specimens, and (3) the Batdorf model for structural reliability analysis. A linear superposition of crack-growth rates obtained from the Power-law and Walker-law equations was used. The model assumes that the time-dependent and cycle-dependent crack growth formulation exponents are identical, and that loading frequency and amplitude do not vary over time. For the parameter estimation, the regression was performed using nonlinear least squares and a modified Levenberg-Marquardt algorithm. This methodology was implemented into the integrated design code named CARES/Life (Ceramics Analysis and Reliability Evaluation of Structures/Life). A numerical example is presented to illustrate the parameter estimation component of this methodology. The results suggest that the predicted stress-life curves based on the proposed model can correlate better with experimental data when compared with either Power-law or the Walker-law models individually.

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Crack-Resistance Curve and Cyclic Fatigue in Ceramic Materials

Mai

Duan

et al. 1992

Fracture Mechanics of Ceramics

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Influence of surface preparation on the rotating flexural fatigue of Mg-PSZ

Cited by 11 publications

References 9 publications

Increased fatigue strength of partially stabilised zirconia achieved by shot peening

Increased fatigue strength of partially stabilised zirconia achieved by shot peening

Life Prediction and Reliability Analysis of Ceramic Structures Under Combined Static and Cyclic Fatigue

Crack-Resistance Curve and Cyclic Fatigue in Ceramic Materials

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