{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"The current study revealed the effects of strain rate on tensile strength and ductile-to-<span style=\"color:red\">brittle</span> transition of Sn-3Cu/Cu joints in the strain rate range of 4.2 x 10(-5) to 2.4 x 10(-1) s(-1). Experimental results indicate that these joints broke in a ductile manner at low strain rates with a rapid increase in the tensile strength but displayed a <span style=\"color:red\">brittle</span> manner at higher strain rates with a slow increase in the tensile strength, indicating a typical ductile-to-<span style=\"color:red\">brittle</span> transition feature. A method was proposed to estimate the interfacial strength between the solder and the intermetallic <span style=\"color:red\">compounds</span>.","authors":[],"categoryName":"|","doi":"","fpage":"1614","id":"76de0707-fcf0-4927-8f76-1c1664292032","issue":"6","journal":{"abbrevTitle":"JOMR","id":"155c387a-c8cb-4083-85f3-6b58aeef4116","issnPpub":"0884-2914","publisherId":"JOMR","title":"Journal of Materials Research"},"keywords":[{"id":"ce8500c3-61e0-46bb-b4fc-639c49c62991","keyword":"lead-free solders;tensile properties;interfacial reaction;behavior;alloy;temperature;strength","originalKeyword":"lead-free solders;tensile properties;interfacial reaction;behavior;alloy;temperature;strength"}],"language":"en","publisherId":"0884-2914_2008_6_6","title":"Ductile-to-<span style=\"color:red\">brittle</span> transition induced by increasing strain rate in Sn-3Cu/Cu joints","volume":"23","year":"2008"},{"abstractinfo":"A mechanical model is presented in this paper to describe the initiating and propagating of <span style=\"color:red\">brittle</span> cracks. Two criteria have been deduced from the model to determine the effects of such factors as local stress state, surface and grain boundary energies as well as local grain boundary orientation on the initiating and propagating of both intergranular and transgranular <span style=\"color:red\">brittle</span> cracks. By which the role of adding B in Ni3Al base alloys to improve their ductility,temper and hydrogen embrittlements in steels and other alloys as well as the random feature of <span style=\"color:red\">brittle</span> crack initiation could be explained","authors":[{"authorName":"Guangwei HAN","id":"d43121ee-7ee0-4e98-b0a5-22024e868a34","originalAuthorName":"Guangwei HAN"},{"authorName":" Di FENG","id":"e20926f7-3b04-4f48-b2e3-e9b11e780123","originalAuthorName":" Di FENG"},{"authorName":" Wujun YE and Heli LUO (Dept. of Superalloy","id":"1e6b1848-e3c4-47d2-963f-e393f4e2121f","originalAuthorName":" Wujun YE and Heli LUO (Dept. of Superalloy"},{"authorName":" Central Iron and Steel Research Institute","id":"2b80b6c2-f6cc-4ef6-8e74-d56791bfd894","originalAuthorName":" Central Iron and Steel Research Institute"},{"authorName":" Beijing 100081","id":"29269d19-0256-4e86-adc7-2ff1dbab0aed","originalAuthorName":" Beijing 100081"},{"authorName":" China)","id":"e77efed3-d091-4d98-af23-8ae38124937f","originalAuthorName":" China)"}],"categoryName":"|","doi":"","fpage":"353","id":"57d672b8-89ac-4cf1-a329-b54f1cabe1aa","issue":"5","journal":{"abbrevTitle":"CLKXJSY","coverImgSrc":"journal/img/cover/JMST.jpg","id":"11","issnPpub":"1005-0302 ","publisherId":"CLKXJSY","title":"材料科学技术（英文）"},"keywords":[],"language":"en","publisherId":"1005-0302_1996_5_14","title":"Mechanical Model on <span style=\"color:red\">Brittle</span> Crack Initiation and Propagation","volume":"12","year":"1996"},{"abstractinfo":"A systematic study on the fracture surface of <span style=\"color:red\">brittle</span> Mg-, Fe-, and Co-based metallic glasses under compressive loading is approached and a fracture mechanism is proposed. Experimentally, the metallic glass samples are compressed into many small fragments, displaying an explosion fracture feature. Therefore, an energy equilibrium model is employed to describe the fracture processes of those <span style=\"color:red\">brittle</span> metallic glasses. Furthermore, some regular nanoscale steps, which were scarcely discovered, are found on the mirror region on their fracture surfaces. It is suggested that such nanoscale steps are associated with the energy distribution in metallic glasses and are created by the shear waves generated by the instability of crack propagation during the explosion rupture processes. Based on the comparison of experimental observations with numerical calculations, we recommend a novel model for interpreting the development of nanoscale steps on the dynamic fracture surfaces of these <span style=\"color:red\">brittle</span> metallic glasses, which appropriately describes the experimental findings.","authors":[],"categoryName":"|","doi":"","fpage":"","id":"e8f75335-161e-4010-8011-2d0660c4e7ed","issue":"10","journal":{"abbrevTitle":"JOAP","id":"7dcf8a89-0513-40ee-be2d-759941dcef7e","issnPpub":"0021-8979","publisherId":"JOAP","title":"Journal of Applied Physics"},"keywords":[{"id":"8138ea4a-7b6d-427e-94e4-f94179fba1c0","keyword":"<span style=\"color:red\">brittle</span> fracture;brittleness;cobalt alloys;cracks;elastic waves;iron alloys;magnesium alloys;metallic glasses;bulk amorphous-alloys;energy-dissipation;crack-propagation;dynamic;fracture;instability;strength","originalKeyword":"brittle fracture;brittleness;cobalt alloys;cracks;elastic waves;iron alloys;magnesium alloys;metallic glasses;bulk amorphous-alloys;energy-dissipation;crack-propagation;dynamic;fracture;instability;strength"}],"language":"en","publisherId":"0021-8979_2009_10_2","title":"Fracture mechanism of some <span style=\"color:red\">brittle</span> metallic glasses","volume":"105","year":"2009"},{"abstractinfo":"The paper reports on the observation of nanoscale morphology on the tensile fracture surface of a <span style=\"color:red\">brittle</span> amorphous Fe-based ribbon. The formation of nanoscale damage cavity structure is a main characteristic morphology on the fracture surfaces. Approaching the ribbon boundary, these damage cavities assemble and form the nanoscale periodic corrugations, which are neither Wallner lines nor crack front waves. The periodic corrugations result from the interactions between the reflected elastic waves by the boundaries of amorphous ribbon and the stress fields of the crack tip.","authors":[{"authorName":"Xifeng LI","id":"7d0669ff-604f-4994-8598-9417a51c7f10","originalAuthorName":"Xifeng LI"},{"authorName":" Kaifeng ZHANG","id":"cc8c1429-1c0a-46c9-bd3c-6dd17f8f3bff","originalAuthorName":" Kaifeng ZHANG"},{"authorName":" Guofeng WANG","id":"f47d228e-7c1a-4d11-9423-9609655d952c","originalAuthorName":" Guofeng WANG"}],"categoryName":"|","doi":"","fpage":"745","id":"9b9dbb59-c7fc-41c2-b451-33c32b391b32","issue":"5","journal":{"abbrevTitle":"CLKXJSY","coverImgSrc":"journal/img/cover/JMST.jpg","id":"11","issnPpub":"1005-0302 ","publisherId":"CLKXJSY","title":"材料科学技术（英文）"},"keywords":[{"id":"4caeccb8-5c47-4f9b-a4c4-16c9b6803102","keyword":"Nanoscale periodic corrugation","originalKeyword":"Nanoscale periodic corrugation"},{"id":"eee2434e-06e0-4eaf-85a2-b808874ac325","keyword":"断裂空洞","originalKeyword":"断裂空洞"},{"id":"5cc3f0d4-231d-4699-bdf1-00ebb5889a06","keyword":"拉伸断裂","originalKeyword":"拉伸断裂"}],"language":"en","publisherId":"1005-0302_2008_5_17","title":"Nanoscale Morphology in Tensile Fracture of a <span style=\"color:red\">Brittle</span> Amorphous Ribbon","volume":"24","year":"2008"},{"abstractinfo":"Based on the crack tip structure a new model of ductile -<span style=\"color:red\">brittle</span> transition was proposed. Using this new model we calculated the dependence of the transition temperature-strain rate over a wide range of strain rate. Finally the significance of this new model is discussed in detail.","authors":[{"authorName":"HA Kuan fu","id":"6e06ad13-6575-4f9f-abb8-329ff6613562","originalAuthorName":"HA Kuan fu"},{"authorName":" WANG Xiuhua (Jilin University","id":"e61a6388-f34d-457d-8770-05251a6d03aa","originalAuthorName":" WANG Xiuhua (Jilin University"},{"authorName":" Changchun. 130023. China Manuscript received 26 December. 1994)","id":"33e53623-ad0c-4d36-87e9-0fe074b594d0","originalAuthorName":" Changchun. 130023. China Manuscript received 26 December. 1994)"}],"categoryName":"|","doi":"","fpage":"1","id":"ea83431a-08bb-424a-b640-2cb121a4574b","issue":"1","journal":{"abbrevTitle":"JSXBYWB","coverImgSrc":"journal/img/cover/amse.jpg","id":"49","issnPpub":"1006-7191","publisherId":"JSXBYWB","title":"金属学报(英文版)"},"keywords":[{"id":"eb6f0d86-6b9c-4db1-aa32-0539068575de","keyword":": fracture mechanics","originalKeyword":": fracture mechanics"},{"id":"04339b62-ec78-4698-a510-a37f90c93d25","keyword":"null","originalKeyword":"null"},{"id":"dd486a99-6f19-46cf-b1e5-7a74b8e0eed7","keyword":"null","originalKeyword":"null"},{"id":"2a096e2b-1ea2-47af-a0a2-791fcc6db9f7","keyword":"null","originalKeyword":"null"}],"language":"en","publisherId":"1006-7191_1995_1_11","title":"CRACK TIP STRUCTURE AND DUCTILE-<span style=\"color:red\">BRITTLE</span> TRANSITION IN BULK SINGLE CRYSTALS","volume":"8","year":"1995"},{"abstractinfo":"Two-dimension spring square network model involving the nearest and second neighbour bonds is studied by numerical simulation with Gauss-Seidel iteration for <span style=\"color:red\">brittle</span> fracture Mode 1. The material-dependent parameter, G(0)/G, is introduced in this simulation, G and G(0) are the parameters related to the elastic moduli of the nearest and second neighbour, bonds, respectively. <span style=\"color:red\">Brittle</span> fracture of materials with different G(0)/G are simulated under the same quenched disorder. The fractal dimension of crack fluctuates with G(0)/G. It seems that it is impossible for different materials to have a universal fractal dimension of crack in <span style=\"color:red\">brittle</span> fracture. However, it is possible to have different so-called universal fractal dimensions. (C) 2003 Elsevier Science B.V All rights reserved.","authors":[],"categoryName":"|","doi":"","fpage":"455","id":"0db9d05d-f208-42d6-b78d-9d100539eacd","issue":"42861","journal":{"abbrevTitle":"PLA","id":"7b364793-d718-49d5-9832-ec34f0748fdf","issnPpub":"0375-9601","publisherId":"PLA","title":"Physics Letters A"},"keywords":[{"id":"f091d4b4-b1fb-4493-9898-9f21462f319f","keyword":"fracture;crack;fractal dimension;scanning-tunneling-microscopy;surfaces;roughness;geometry;metals;model","originalKeyword":"fracture;crack;fractal dimension;scanning-tunneling-microscopy;surfaces;roughness;geometry;metals;model"}],"language":"en","publisherId":"0375-9601_2003_42861_1","title":"The dependence of the fractal dimension of crack on material for <span style=\"color:red\">brittle</span> fracture in two dimensions","volume":"308","year":"2003"},{"abstractinfo":"Two-dimensional spring square network model involving the nearest and second neighbour bonds is studied by numerical simulation with Gauss-Seidel iteration for <span style=\"color:red\">brittle</span> fracture Mode I. The material-dependent parameter, G(0)/G(1) is introduced in this simulation, and G and G(0) are the parameters related to the elastic moduli of the nearest and second neighbour bonds, respectively. <span style=\"color:red\">Brittle</span> fracture of the same material with different quenched disorders is simulated. Fractal dimension of crack fluctuates with quenched disorder. It seems that it is impossible to have a universal fractal dimension of crack in <span style=\"color:red\">brittle</span> fracture for the same material with different quenched disorders. However, it is possible to have different so-called universal fractal dimensions in some cases. (C) 2003 Published by Elsevier B.V.","authors":[],"categoryName":"|","doi":"","fpage":"40916","id":"ea3e909b-b67d-41d1-a253-b0d35a2fb078","issue":"42737","journal":{"abbrevTitle":"PAMAIA","id":"fc88484d-3bd5-4752-a5d2-ae874bc56c0a","issnPpub":"0378-4371","publisherId":"PAMAIA","title":"Physica a-Statistical Mechanics and Its Applications"},"keywords":[{"id":"ce84089f-c956-4040-8921-a4dbb73e0311","keyword":"disorder;fracture;crack;fractal dimension;scanning-tunneling-microscopy;surfaces;breakdown;lattices;metals","originalKeyword":"disorder;fracture;crack;fractal dimension;scanning-tunneling-microscopy;surfaces;breakdown;lattices;metals"}],"language":"en","publisherId":"0378-4371_2004_42737_1","title":"The effect of quenched disorder on the fractal dimension of crack for <span style=\"color:red\">brittle</span> fracture in two dimensions","volume":"335","year":"2004"},{"abstractinfo":"By employing a pulsed laser source to produce microcracks, typical features of <span style=\"color:red\">brittle</span> fracture of nanocrystalline FeMoSiB ribbon have been investigated. From the energy viewpoint, explanation for the branching behavior of a moving crack front was proposed. Static and dynamic fracture toughness of the material were calculated to be on average 3.3 and 15.2 MPa m(0.5), respectively, and the difference between these two values was elucidated in comparison with experimental results in the literature. (C) 2001 Elsevier Science B.V. All rights reserved.","authors":[],"categoryName":"|","doi":"","fpage":"112","id":"19460693-ad1a-48dd-b6e2-f690047f585a","issue":"3","journal":{"abbrevTitle":"ML","id":"90b15a58-51fc-41ad-8509-c2692f6a3f6e","issnPpub":"0167-577X","publisherId":"ML","title":"Materials Letters"},"keywords":[{"id":"418bdb0f-f640-4734-8c43-5499911f4286","keyword":"nanocrystalline;SEM;<span style=\"color:red\">brittle</span> fracture;branching;fracture toughness;mechanical-properties;wire","originalKeyword":"nanocrystalline;SEM;brittle fracture;branching;fracture toughness;mechanical-properties;wire"}],"language":"en","publisherId":"0167-577X_2001_3_1","title":"<span style=\"color:red\">Brittle</span> fracture behavior of FeMoSiB nanocrystalline alloy ribbon and measurement of fracture toughness","volume":"47","year":"2001"},{"abstractinfo":"A densely packed striation structure is observed in the apparently featureless mirror area of the fracture surface of <span style=\"color:red\">brittle</span> Mg-based bulk metallic glass. Taylor instability analysis based on grease model combined with a competitive microvoid formation mechanism ahead of a blunted crack tip suggests that the fracture of metallic glass is controlled by both viscous flow and ductile fracture mechanism. Spacing size of the striation is correlated with macroscopic fracture toughness. (C) 2006 Elsevier B.V. All rights reserved.","authors":[],"categoryName":"|","doi":"","fpage":"145","id":"5cd7d669-ae05-4841-a151-7cfdc245a17a","issue":"42737","journal":{"abbrevTitle":"JOAAC","id":"de8b3eb8-d3c1-4889-812c-8ad260eabadc","issnPpub":"0925-8388","publisherId":"JOAAC","title":"Journal of Alloys and Compounds"},"keywords":[{"id":"48aa5610-7d12-4051-b24d-3bc0d82a7c6f","keyword":"metallic glass;fracture;toughness;fractograph;amorphous-alloys;mechanical-properties;deformation;plasticity","originalKeyword":"metallic glass;fracture;toughness;fractograph;amorphous-alloys;mechanical-properties;deformation;plasticity"}],"language":"en","publisherId":"0925-8388_2007_42737_22","title":"Fracture instability in <span style=\"color:red\">brittle</span> Mg-based bulk metallic glasses","volume":"438","year":"2007"},{"abstractinfo":"The dynamic fracture toughness of a mild steel has been studied at different loading rates and temperatures.The material exhibits a transition from tough to <span style=\"color:red\">brittle</span> fracture with the chang- ing loading rate alone.Analysis of the fracture process by the theory of thermal activation suggests that the fracture activation energy approximates to the bond energy of the{100}of a unit cell.The toughness can be resolved into two parts,J-(fd)=J_a+J_l,where J_a is the athermal part,being independent on temperature and loading rate,while J_l=(K/K_o)~(1/n)exp(Q_f/nkT),which controls the fracture process is temperature and load- ing rate dependent.The transition of fracture mechanism caused by both temperature and loading rate is associated with the thermal movement of atoms.","authors":[{"authorName":"LIU Yongning","id":"7921ae6c-88b5-4f5a-b3d7-d6bf3d6c7fb9","originalAuthorName":"LIU Yongning"},{"authorName":"ZHU Jinhua","id":"ff532ce6-ec8d-47ac-82a6-22f16dec534c","originalAuthorName":"ZHU Jinhua"},{"authorName":"ZHOU Huijiu Xi'an Jiaotong University","id":"9437a334-79b4-4da2-b63d-44de287328f5","originalAuthorName":"ZHOU Huijiu Xi'an Jiaotong University"},{"authorName":"Xi'an","id":"085e92c0-42dd-4fad-bbfe-a1df36824d66","originalAuthorName":"Xi'an"},{"authorName":"China A.Kildegaard","id":"69c35b9e-b41e-45d4-a37a-de26b40d6111","originalAuthorName":"China A.Kildegaard"},{"authorName":"J.A.Kristensen Department of Mechanical Engineering","id":"dd66bddd-533a-4b4c-b48c-7b895c8adb26","originalAuthorName":"J.A.Kristensen Department of Mechanical Engineering"},{"authorName":"Aalborg University","id":"b58d748b-689c-4323-abf3-97a079f6ae06","originalAuthorName":"Aalborg University"},{"authorName":"Denmark Dept.of Materials Science and Engineering Xi'an Jiaotong University","id":"a7029d8a-0e25-4b79-92f3-41e81d850395","originalAuthorName":"Denmark Dept.of Materials Science and Engineering Xi'an Jiaotong University"},{"authorName":"Xi'an 710049","id":"a3301789-f90b-4672-9359-469afa0da9e5","originalAuthorName":"Xi'an 710049"},{"authorName":"China","id":"7b567082-43a9-47ec-85c5-f87e1c4208ed","originalAuthorName":"China"}],"categoryName":"|","doi":"","fpage":"419","id":"4511c2b8-d8d1-4b2e-abe1-7bdcc624d0ad","issue":"6","journal":{"abbrevTitle":"JSXBYWB","coverImgSrc":"journal/img/cover/amse.jpg","id":"49","issnPpub":"1006-7191","publisherId":"JSXBYWB","title":"金属学报(英文版)"},"keywords":[{"id":"6dc2e921-9818-42f2-930a-5f9e0a88be3d","keyword":"mild steel","originalKeyword":"mild steel"},{"id":"62cc720a-5f9d-4a40-8ed6-79045c30362f","keyword":"null","originalKeyword":"null"},{"id":"697b8fe2-57d6-4654-bd96-26f0eac084b0","keyword":"null","originalKeyword":"null"},{"id":"85c40451-8976-4e3b-82e8-bd8e80cb3b97","keyword":"null","originalKeyword":"null"}],"language":"en","publisherId":"1006-7191_1990_6_5","title":"EFFECT OF LOADING RATE AND TEMPERATURE ON DUCTILE-<span style=\"color:red\">BRITTLE</span> TRANSITION OF A CARBON STEEL","volume":"3","year":"1990"}],"totalpage":102,"totalrecord":1015}