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Effect of Layers Position on Fracture Toughness of Functionally Graded Steels in Crack Divider ConfigurationAli Nazari1,Jamshid Aghazadeh Mohandesi2,Shadi Riahi11. Department of Technical..., fracture toughness of functionally graded steels in crack divider configuration has been modeled. By utilizing plain carbon and austenitic stainless steels slices with various thicknesses and arrange......
Numerical simulation on effects of embedded crack on rock fragmentation by a tunnel boring machine cutterLIU Jie(刘杰)1, CAO Ping(曹平)1, JIANG Zhe(蒋喆)1, ZHAO Yan-lin(赵延林)2, CAO Ri-hong(曹日红)1(1. School... crack propagates to the top tip of embedded crack, except when the dip angle is 90°. Side cracks which are more fully developed in the rocks containing embedded cracks tend to propagate towards......
Fatigue crack growth behaviors of a new burn-resistant highly-stabilized beta titanium alloyWU Huana, b, ZHAO Yongqinga, b, ZENG Weidonga, b, and QIAN Lib a School of Materials Science...="ChDivSummary">This article presents the fatigue crack growth (FCG) behaviors of a new burn-resistant highly-stabilized beta Ti40 alloy. The FCG rates were analyzed. The fracture surfaces and the side......
Solid state crack repair by friction stir processing in 304L stainless steelC.Gunter1,M.P.Miles1,F.C.Liu2,T.W Nelson21. Manufacturing Engineering Technology, Brigham Young University2. Department... stainless steel plate. Healing feasibility was demonstrated by processing a tapered crack using a PCBN/WRe tool with a 25 mm diameter shoulder and a pin length of 6.4 mm. The experiment showed......
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Fatigue small crack growth threshold determination of a high-Nb TiAl alloy at different temperatures by in-situ observationMin Zhang1,Xi-ping Song1,Long Yu1,Hong-liang Li1,Ze-hui Jiao2,Hui-chen Yu21...:The purpose of this paper is to estimate the fatigue crack growth threshold of a high-Nb TiAl alloy at the different temperatures based on scanning......
Visualization of microstructural factors resisting the crack propagation in mesosegregated high-strength low-alloy steelShuxia Wang1,Chuanwei Li1,Lizhan Han2,Haozhang Zhong1,Jianfeng Gu3,41... of the PSZ still present micro-voids fracture mechanism in brittle fracture zone.It reveals that the microstructures in the PSZ exhibit a higher resistance ability to crack propagation than......
Degradation mechanism of rock under impact loadings by integrated investigation on crack and damage developmentZHOU Zi-long(周子龙), JIANG Yi-hui(江益辉), ZOU Yang(邹洋), WONG Lei(翁磊) (School of Resources... for the strength increase of rock under high strain rates. Tensile cracks tend to be the key reason for splitting failure of specimens. Numerical simulation of crack propagation by PFC can give vivid description......
:A Fatigue crack growth behavior of GH4698 alloy WANG Huan1, YUAN Chao1, GUO Jian-ting1, QIN He-yong2 (1. Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China; 2. High Temperature Materials Research Institute, Central Iron and Steel Research Institute, Beijing 100081, China) Abstract: The crack propagation behavior of GH4698 alloy was studied respectively at room......
