Hasselman DPH (1970) Strength behavior of polycrystalline alumina subjected to thermal shock. Hasselman DPH (1969) Unified theory of thermal shock fracture initiation and crack propagation in brittle ceramics. Zho JL, Wu GQ, Chen XY, Zhang PZ (2008) Rolling contact fatigue of silicon nitride bearing balls under pure rolling condition. Tanimoto K, Ikeda T (2000) Evaluation of extra-small ceramic ball bearings. Mutoh Y, Tanaka K, Akiyama T (1988) Rolling-contact fatigue properties of ceramics at an elevated temperature (trial construction of a rolling-contact fatigue test machine and preliminary test results). Mosleh M, Bradshaw K, Belk JH, WaldropIII JC (2011) Fatigue failure of all-steel and steel–silicon nitride rolling ball combinations. George AL, Nagaraj KA (2010) Critical flaw size in silicon nitride ball bearings. Pattabhiraman S, Levesque G, Kim NH, Arakere NK (2010) Uncertainty analysis for rolling contact fatigue failure probability of silicon nitride ball bearings. Wang W, Hadfield M, Wereszczak AA (2010) Surface strength of silicon nitride in relation to rolling contact performance measured on ball-on-rod and modified four-ball tests. ![]() Zhou JL, Wu GQ, Zhu WN, Chen XY (2009) Tensile stress fatigue life model of silicon nitride ceramic balls. Hadfield M, Stolarski TA (1995) The effect of the test machine on the failure mode in lubricated rolling contact of silicon nitride. Hadfield M, Stolarski TA, Cundill RT (1993) Delamination of ceramic balls in rolling contact. Technology 97(3):350–355Īdachi K, Hokkirigawa K, Kato K (1991) The wear mechanism of silicon nitride in rolling-sliding contact. Parker RJ, Zaretsky EV, Lubr J (1975) Fatigue life of high-speed ball bearings with silicon nitride balls. Supancic P, Danzer R, Witschnig S, Polaczek E, Morrell R (2009) A new test to determine the tensile strength of brittle balls-the notched ball test. Kida K, Kitamura K, Chiba H, Yamakawa K (2005) Static and fatigue strengths of pre-cracked silicon nitride balls under pressure load. Ichikawa M, Takamatsu T, Okabe N, Abe Y (1992) Investigation of crushing strength of Si3N4 balls for ceramic bearings from a statistical point of view. Khan ZA, Hadfield M, Tobe S, Wang Y (2005) Ceramic rolling elements with ring crack defects-a residual stress approach. Ichikawa M, Takamatsu T, Matsuo T, Okabe N, Abe Y (1995) Intra-ball and inter-ball variability of ring crack initiation load of silicon nitride bearing balls. Ichikawa M, Takamatsu T, Shindou N, Okabe N, Abe Y (1995) Intra-ball and inter-ball variability of ring crack initiation load of silicon nitride bearing balls. Nishikawa T, Hayashi N, Hayakawa A (2014) Technical trend of aircraft bearings. ![]() Finally, the temperature difference scatter was theoretically discussed based on the results of the two-parameter Weibull distribution in conjunction with a virtual crack model. As a result, it was concluded that the relationship can be estimated by applying a virtual crack model based on experimental data obtained from fracture strength tests for the difference fracture type, i.e., the temperature difference depends on the size of the manufacturing flaw. Next, the relationship between the fracture strength, as calculated using a FEM analysis of the temperature difference at thermal shock fracture initiation and the equivalent crack length calculated from the manufacturing flaw size, was theoretically discussed to introduce a virtual crack model. Manufacturing flaws were then observed on the surface of the fractures in the ruptured ceramic balls. The crack propagation and branching behaviors were observed on the surfaces of the ceramic balls after they had been subjected to thermal shock. The fracture morphology and fracture surface were then observed. ![]() First, water-quench tests were performed on ceramic balls of a range of sizes. The aim of this study was to clarify the fracture characteristics of ceramic balls, as used in bearings, when subjected to thermal shock.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |