{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"在850-1075 ℃范围内, 采用恒定的应变速率和变形程度, 对TG6合金进行了近等温锻造实验.利用OM和金相图像分析软件等手段分别测定了TG6合金锻前保温、锻后空冷和锻后热处理试样的显微组织中初生&alpha;相的含量, 以及热处理锻件组织中次生片状$\\alpha$相的厚度. 结果表明,与锻前保温的合金相比, 较低温度(低于1000℃)下锻造的锻件及其热处理锻件中初生&alpha;相含量减少, 且减少程度随锻造温度升高而降低; 而较高温度(大于1000℃)下锻造的锻件及热处锻件中初生&alpha;相含量增加, 且增加幅度随锻造温度的升高而增加. 提高锻造温度减小了次生&alpha;相形核密度, 造成片状&alpha;相厚度随锻造温度的升高而增加. 当在1075℃锻造时, 由于&beta;晶粒过分长大,造成显微组织不均匀. 研究了合金锻件的室温和600℃拉伸性能、冲击韧性及断裂韧性.结果表明, 合金拉伸强度对锻造温度不敏感, 塑性随锻造温度升高而减小, 而室温断裂韧性则随温度升高而增加, 两相区锻造的合金冲击韧性无明显变化, 但当锻造温度接近&beta;相变点时呈现降低趋势. 采用SEM, TEM及OM等手段分析了合金锻件力学性能变化的原因.","authors":[{"authorName":"王涛郭鸿镇张永强姚泽坤谭立军","id":"6860b363-a1b2-42ac-b690-fd0c9c549866","originalAuthorName":"王涛郭鸿镇张永强姚泽坤谭立军"}],"categoryName":"|","doi":"10.3724/SP.J.1037.2009.00851","fpage":"913","id":"82f9e9c3-c480-4e8d-b9ec-61fd923dc033","issue":"8","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"d5efe1e4-98f5-42d6-9ef3-723782587bce","keyword":"高温钛合金","originalKeyword":"高温钛合金"},{"id":"6fb14fdb-fa48-43c1-adf5-134a8363fa30","keyword":" <span style=\"color:red\">near-isothermal</span> <span style=\"color:red\">forging</span>","originalKeyword":" near-isothermal forging"},{"id":"508beb62-6506-4289-be1d-860bf85c3f14","keyword":" microstructure","originalKeyword":" microstructure"},{"id":"c4fa4c90-ba4c-463e-a0cf-cfabd325716b","keyword":"mechanical property","originalKeyword":"mechanical property"}],"language":"zh","publisherId":"0412-1961_2010_8_4","title":"热锻温度对TG6高温钛合金显微组织和力学性能的影响","volume":"46","year":"2010"},{"abstractinfo":"A microstructural model, which was used to predict the evolution of microstrncturi of Gatorized Waspaloy in the isotherrnal <span style=\"color:red\">forging</span> process, was developed in terms of dynamic recrystallization and grain growth. Three steps of experiment were conducted during developing the model: (1) Specimens were compressed in MTS testiny machinci (2) Dynamic recrystallization and grain growth were discussed; (3) Dynamic reerys tallization model and grain growth model were set up. The agreement of simulated results and experimental data is fine.","authors":[{"authorName":"J.P. Hu","id":"8e7cb00a-5171-4e04-8776-9fcd76293bbc","originalAuthorName":"J.P. Hu"}],"categoryName":"|","doi":"","fpage":"205","id":"40d6d067-97be-4bea-b5ad-6934ca69d1a0","issue":"3","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":"b6d0e8cb-7927-4527-ad9f-f45af4e1708d","keyword":"Gatorized Waspaloy","originalKeyword":"Gatorized Waspaloy"},{"id":"ff7faa1f-9a71-4b78-987d-d08123288edd","keyword":"null","originalKeyword":"null"},{"id":"8385bbcf-2e7c-4bd8-a169-ab34e3db7d8d","keyword":"null","originalKeyword":"null"},{"id":"4159baa8-c06c-4352-a7db-4c9f2d5665b3","keyword":"null","originalKeyword":"null"}],"language":"en","publisherId":"1006-7191_2001_3_5","title":"MICROSTRUCTURAL MODEL OF GATORIZED WASPALOY IN THE <span style=\"color:red\">ISOTHERMAL</span> <span style=\"color:red\">FORGING</span> PROCESS","volume":"14","year":"2001"},{"abstractinfo":"Hot compression was conducted at a Thermecmaster-Z simulator, at deformation temperatures of 800~1040℃, with strain rates of 0.001~50 s-1 and height reduction of 50%. Grain size of the prior α phase was measured with a Leica LABOR-LUX12MFS/ST microscope to which QUANTIMET 500 software for image analysis for quantitative metallography was linked. According to the present experimental data, a constitutive relationship for a TC6 alloy and a model for grain size of the prior α phase were established based on the Arrhenius' equation and the Yada's equation, respectively. By finite element (FE) simulation, deformation distribution was determined for <span style=\"color:red\">isothermal</span> <span style=\"color:red\">forging</span> of a TC6 aerofoil blade at temperatures of 860~940℃ and hammer velocities of 9~3000.0 mm/min. Meanwhile, the grain size of the prior α phase is simulated during <span style=\"color:red\">isothermal</span> <span style=\"color:red\">forging</span> of the TC6 aerofoil blade, by combining FE outputs with the present grain size model. The present results illustrate the grain size and its distribution in the prior α phase during the <span style=\"color:red\">isothermal</span> <span style=\"color:red\">forging</span> of the TC6 aerofoil blade. The simulated results show that the height reduction, deformation temperature, and hammer velocity have significant effects on distribution of the equivalent strain and the grain size of the prior α phase.","authors":[{"authorName":"Miaoquan LI","id":"42e6e293-bd9d-4312-980c-5ad5b07fde95","originalAuthorName":"Miaoquan LI"},{"authorName":" Shankun XUE","id":"14235b78-580a-4425-937f-b6a09e4b0261","originalAuthorName":" Shankun XUE"},{"authorName":" Aiming XIONG","id":"821deb06-324c-4db6-92e1-71bb134840e6","originalAuthorName":" Aiming XIONG"},{"authorName":" Shenghui CHEN","id":"48981802-a1ce-4ef3-9db3-a130935d7055","originalAuthorName":" Shenghui CHEN"}],"categoryName":"|","doi":"","fpage":"155","id":"cdd3e5cc-b1a5-49e4-9cde-c7eb1bc037b7","issue":"2","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":"136ca621-6249-4259-9b73-82594797bcdd","keyword":"Titanium alloy","originalKeyword":"Titanium alloy"},{"id":"10b70342-52cf-42de-ba9d-7cd6808a70d3","keyword":"null","originalKeyword":"null"},{"id":"a7606d8b-c21e-4261-91a6-424e11f34fc1","keyword":"null","originalKeyword":"null"},{"id":"ba0ed9d7-b4d9-4998-85fa-8ea2d031288c","keyword":"null","originalKeyword":"null"},{"id":"c0ebbfdc-a22a-4295-a254-4d8f453e725f","keyword":"null","originalKeyword":"null"}],"language":"en","publisherId":"1005-0302_2005_2_19","title":"Experimental Investigation and Numerical Simulation of the Grain Size Evolution during <span style=\"color:red\">Isothermal</span> <span style=\"color:red\">Forging</span> of a TC6 Alloy","volume":"21","year":"2005"},{"abstractinfo":"A ferromagnetic shape-memory alloy Ni48Mn25Ga22Co5 was prepared by the induction melting and <span style=\"color:red\">isothermal</span> <span style=\"color:red\">forging</span> process. Dynamic recrystallization occurs during the <span style=\"color:red\">isothermal</span> <span style=\"color:red\">forging</span>. The deformation texture was studied by the neutron diffraction technique. The main texture components consist of (110)[1 (1) over bar2] and (001)[100], which suggested that in-plane plastic flow anisotropy should be expected in the as-forged condition. The uniaxial compression fracture strain in the forged alloy reaches over 9.5%. The final room-temperature fracture of the polycrystalline Ni48Mn25Ga22Co5 is controlled mainly by intergranular mode.","authors":[],"categoryName":"|","doi":"","fpage":"691","id":"50a25fe0-66c7-4043-b36c-6920bccfa35d","issue":"3","journal":{"abbrevTitle":"JOMR","id":"155c387a-c8cb-4083-85f3-6b58aeef4116","issnPpub":"0884-2914","publisherId":"JOMR","title":"Journal of Materials Research"},"keywords":[{"id":"7fff25bb-d416-457c-bd34-910f4b47a953","keyword":"mn-ga alloys;field-induced strain;crystal-structure;phase-transformation;alpha-phase;transitions;ni53mn25ga22;elements;ni2mnga;steels","originalKeyword":"mn-ga alloys;field-induced strain;crystal-structure;phase-transformation;alpha-phase;transitions;ni53mn25ga22;elements;ni2mnga;steels"}],"language":"en","publisherId":"0884-2914_2006_3_1","title":"Textures and compressive properties of ferromagnetic shape-memory alloy Ni48Mn25Ga22Co5 prepared by <span style=\"color:red\">isothermal</span> <span style=\"color:red\">forging</span> process","volume":"21","year":"2006"},{"abstractinfo":"","authors":[{"authorName":"","id":"f0d3f27f-1c86-4457-ac5f-9020b2e37103","originalAuthorName":""},{"authorName":"","id":"f24c24d9-0194-47ee-939f-cb7024355bc6","originalAuthorName":""},{"authorName":"","id":"11a836ca-2b25-441c-a8e4-ae3098de4b50","originalAuthorName":""}],"doi":"10.1007/s12598-009-0091-6","fpage":"471","id":"5c4160bf-9915-4225-bedc-2af7df3e2b9b","issue":"5","journal":{"abbrevTitle":"XYJSYWB","coverImgSrc":"journal/img/cover/XYJSEN.jpg","id":"68","issnPpub":"1001-0521","publisherId":"XYJSYWB","title":"稀有金属（英文版）"},"keywords":[{"id":"302dd493-4e0f-423d-aba0-5073b113e0fa","keyword":"","originalKeyword":""}],"language":"zh","publisherId":"xyjs-e200905010","title":"Effect of <span style=\"color:red\">near</span> <span style=\"color:red\">isothermal</span> <span style=\"color:red\">forging</span> on the microstructure of Ti3Al/TC11 welding interface","volume":"28","year":"2009"},{"abstractinfo":"<span style=\"color:red\">Isothermal</span> flashless die <span style=\"color:red\">forging</span> process of Ti - alloy structural air - frame part with varying thickness rib has been modelled in this paper.The results of present study show  that a upside - down trapezoid rib would be formed and buckling would occure as  blank is reduced,if the thickness of billet is maller than or equal  to the thickness of rib. During modelling process of structural air frame part with E type cross - section rib, the saddle or lap would  be formed finally  at the middle of transverse rib between ribs with increase in deformation.If metal is allowed to flow out  at confluence of longitudinal and transverse rib, the lop defect would be eliminated,, but a pipe cavity is obvious on corresponding loca-  tion of blank. of defect formation depends on distance of metal flow ,friction,temperature homoge-  neity of  the blank  and  complexity of the part.","authors":[{"authorName":"Z. K. Yao","id":"096b217e-a70d-4aa3-9223-882608d6b3e2","originalAuthorName":"Z. K. Yao"},{"authorName":" H. Z. Cuo","id":"6f7f0093-1264-4b4c-ada9-d582321cf2f0","originalAuthorName":" H. Z. Cuo"},{"authorName":"M. Wang","id":"a3c180c1-4c61-460f-81ca-d28f24ba80c9","originalAuthorName":"M. Wang"},{"authorName":"F. Lan and P. F. Feng (Northwestern Polytechnical University","id":"f1ebf1bc-49cc-44b3-ad48-8c0fbe927a27","originalAuthorName":"F. Lan and P. F. Feng (Northwestern Polytechnical University"},{"authorName":" Xi' an 710072","id":"27e23f06-3c21-4f04-9607-994155a5a5a0","originalAuthorName":" Xi' an 710072"},{"authorName":" China)","id":"8dc42639-1c14-408c-9d8d-3536208d6b28","originalAuthorName":" China)"}],"categoryName":"|","doi":"","fpage":"401","id":"67044236-6f36-48f2-9ac9-0cff68894035","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":"826b8561-a754-4b09-847d-1e337c7c0dbf","keyword":"Ti alloy","originalKeyword":"Ti alloy"},{"id":"3d52a468-0b53-4b51-89d3-8f89fbac5575","keyword":"null","originalKeyword":"null"},{"id":"69a2098d-0ebb-438d-85ca-f219517e5150","keyword":"null","originalKeyword":"null"}],"language":"en","publisherId":"1006-7191_2000_1_20","title":"PHYSICAL MODELLING OF <span style=\"color:red\">ISOTHERMAL</span> DIE <span style=\"color:red\">FORGING</span> PROCESS OF Ti-ALLOY STRUCTURAL AIR-FRAME PART WITH E TYPE CROSS-SECTION AND VARYING THICKNESS RIB","volume":"13","year":"2000"},{"abstractinfo":"","authors":[{"authorName":"","id":"e8caee94-1148-49bb-b35f-9703d1271945","originalAuthorName":""},{"authorName":"","id":"18cd7759-044f-4efa-ae8d-5b40ee5360ea","originalAuthorName":""},{"authorName":"","id":"ab990d46-d3f5-4365-bfa9-a6d955dd0a49","originalAuthorName":""},{"authorName":"","id":"a0582160-6508-41ea-89e5-39e940e4daa7","originalAuthorName":""},{"authorName":"","id":"b77e14d2-df7c-4989-bb4a-6f396476b66c","originalAuthorName":""},{"authorName":"","id":"cafc018b-d395-4777-9101-c067513d51ba","originalAuthorName":""},{"authorName":"","id":"0520cb6e-2fbe-4562-938b-5070a4fc2abf","originalAuthorName":""},{"authorName":"","id":"53c0b5e2-83f3-4866-8586-ae165cb340b3","originalAuthorName":""}],"doi":"","fpage":"205","id":"384dfd1d-0704-4f13-87e6-b0c98fcd47cf","issue":"3","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":"17e8ae33-0d36-4267-b541-135e1304fa4a","keyword":"","originalKeyword":""}],"language":"zh","publisherId":"jsxb-e200103007","title":"MICROSTRUCTURAL MODEL OF GATORIZED WASPALOY IN THE <span style=\"color:red\">ISOTHERMAL</span> <span style=\"color:red\">FORGING</span> PROCESS","volume":"14","year":"2001"},{"abstractinfo":"The deformation constitutive equation and the microstructure models in terms of critical strain, dynamic recrystallization, and grain growth for superalloy IN718 have been established based on the <span style=\"color:red\">isothermal</span> compression tests. Non-<span style=\"color:red\">isothermal</span> upsetting experiments have been carried out to refine and validate the microstructure evolution models. A processing map has been generated using the flow stress data obtained from the <span style=\"color:red\">isothermal</span> compressing tests. According to the processing map, the Optimum hot working parameters for superalloy IN718 have been obtained. The effect of process parameters on the microstructure development during the hot die <span style=\"color:red\">forging</span> of IN718 turbine disc have been investigated through Coupling the microstructure evolution prediction system developed with a commercial FE software, MSC.Superform. To design the hot die <span style=\"color:red\">forging</span> of IN718 turbine disc, a uniform Function Of microstructure has been proposed as the goal function. On the basis of simulation results, the optimum hot die <span style=\"color:red\">forging</span> parameters have been obtained.","authors":[],"categoryName":"|","doi":"","fpage":"103","id":"3fed9e7a-b01c-4833-a73f-eeb7005f4011","issue":"B1","journal":{"abbrevTitle":"POTIOMEPBOEM","id":"fb3630fe-cd88-4a43-a1e2-3f4c4484203a","issnPpub":"0954-4054","publisherId":"POTIOMEPBOEM","title":"Proceedings of the Institution of Mechanical Engineers Part B-Journal of Engineering Manufacture"},"keywords":[{"id":"becd6f1a-6e9f-45c5-ab80-b8d2c3ed8389","keyword":"superalloy IN718;turbine disc;processing map;finite element method;microstructure simulation;high-temperature deformation;metadynamic recrystallization;microstructural evolution;flow behavior;inconel-718;working;simulation;in-718","originalKeyword":"superalloy IN718;turbine disc;processing map;finite element method;microstructure simulation;high-temperature deformation;metadynamic recrystallization;microstructural evolution;flow behavior;inconel-718;working;simulation;in-718"}],"language":"en","publisherId":"0954-4054_2010_B1_1","title":"Hot die <span style=\"color:red\">forging</span> process optimization of superalloy IN718 turbine disc using processing map and finite element method","volume":"224","year":"2010"},{"abstractinfo":"The microstructural evolution of microalloyed steel during hot <span style=\"color:red\">forging</span> process was investigated using physical simulation experiments. The dynamic recrystallized fraction was described by modifying Avrami's equation, the parameters of which were determined by single hit compression tests. Double hit compression tests were performed to model the equation describing the static recrystallized fraction, and the obtained predicted values were in good agreement with the measured values. Austenitic grain growth was modeled as: Dinc5 = D05 + 1.6 × 1032 t·exp () using <span style=\"color:red\">isothermal</span> tests. Furthermore, an equation describing the dynamic recrystallized grain size was given as Ddyn = 3771·Z-0.2. The models of microstructural evolution could be applied to the numerical simulation of hot <span style=\"color:red\">forging</span>.","authors":[{"authorName":"J. Wang","id":"2f9f1687-443c-400d-8022-7f47db9c0978","originalAuthorName":"J. Wang"},{"authorName":" J. Chen","id":"7cf1b05c-ff7e-4802-b011-5a525fa1fc4e","originalAuthorName":" J. Chen"},{"authorName":" Z. Zhao ","id":"429de0af-9048-4f92-babb-ed33bffee6a3","originalAuthorName":" Z. Zhao "},{"authorName":"  X.Y. Ruan","id":"ce352caf-0202-4171-8c72-c41097cbc76c","originalAuthorName":"  X.Y. Ruan"}],"categoryName":"|","doi":"","fpage":"279","id":"eaeaaeb6-7930-47f9-8f69-3aa062f66d64","issue":"4","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":"f8750131-acaf-444c-8f70-f8942fad4909","keyword":"microalloyed <span style=\"color:red\">forging</span> steel","originalKeyword":"microalloyed forging steel"},{"id":"809dc28c-cfb4-49b9-90cb-c03bf42d7c2b","keyword":"再结晶","originalKeyword":"再结晶"},{"id":"9cb4163b-e130-485f-9e95-ba0126709a1a","keyword":"晶粒长大","originalKeyword":"晶粒长大"}],"language":"en","publisherId":"1006-7191_2006_4_6","title":"MODELING OF MICROSTRUCTURAL EVOLUTION IN MICROALLOYED STEEL DURING HOT <span style=\"color:red\">FORGING</span> PROCESS","volume":"19","year":"2006"},{"abstractinfo":"A numerical simulation on the rotary <span style=\"color:red\">forging</span> process of a flange is conducted by three-dimensional rigid-plastic finite element method. The states of stress and strain rate in the workpiece are analyzed and the <span style=\"color:red\">forging</span> mechanism of the flange is revealed. Moreover, the influence of the die configuration on the material flow is also analyzed.","authors":[{"authorName":"Gang LIU","id":"02e2a49e-673e-4aec-8ee0-ed2093ce724b","originalAuthorName":"Gang LIU"},{"authorName":" Shijian YUAN","id":"feaea3ec-c06d-499e-ad52-5544efdd5e72","originalAuthorName":" Shijian YUAN"},{"authorName":" Mingxue ZHANG","id":"b4c9b5fe-0d88-47c2-8ae1-0a911dd9f70a","originalAuthorName":" Mingxue ZHANG"},{"authorName":" Longbiao CHI","id":"00dd425c-c0fc-475c-890e-bbd4318bc361","originalAuthorName":" Longbiao CHI"}],"categoryName":"|","doi":"","fpage":"129","id":"6f461eaf-4d4b-42f0-8450-31808703f030","issue":"1","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_2001_1_30","title":"Numerical analysis on rotary <span style=\"color:red\">forging</span> mechanism of a flange","volume":"17","year":"2001"}],"totalpage":119,"totalrecord":1183}