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| 1 | Influence of Rolling Treatment on Interfacial Shear Strength of Steel-mushy Al-7graphite Bonding Plate显示文摘At room temperature, the rolling treatment of steel-mushy A1-7graphite bonding plate was carried out under different relative reduction. The influence of rolling on interracial mechanical property of this bonding plate was studied. The results show that, for steel-mushy AI-7graphite bonding plate which is made up of 1.2 mm in thickness 08AI steel plate and 2.0 mm in thickness AI-Tgraphite layer, there is a nonlinear relationship between interracial shear strength of bonding plate and relative reduction of rolling. When relative reduction of rolling is smaller than 2.59%, with the increasing of relative reduction, interracial shear strength of bonding plate increases gradually. When relative reduction of rolling is bigger than 2.5g%, with the increasing of relative reduction, interracial shear strength of bonding plate decreases continuously. When relative reduction of rolling is 2.59%, the largest interracial shear strength 77.0 MPa can be obtained. | PengZHANG YunhuiDU HanwuLIU DabenZENG JianzhongCUI LiminBA | 2004 | Journal of Materials Science & Technology2004，20，6： | 1 |
| 2 | Semi-solid Pressing Bonding Strength between Steel and Cu-graphite Composite显示文摘The pressing bonding of steel plate with QTi3.5-3.5graphite slurry was studied. The relationship among preheating temperature of steel plate, preheating temperature of dies, solid fraction of QTi3.5-3.5graphite slurry, and interfacial shear strength of bonding plate could be established with artificial neural networks perfectly. This model could be optimized with a genetic algorithm. The results show that the optimum bonding parameters are: 618℃ for preheating temperature of steel plate, 526℃ for preheating temperature of dies and 46.2% for solid fraction of QTi3.5-3.5graphite slurry, and the largest interfacial shear strength of bonding plate is 128.3 MPa. | PengZHANG YunhuiDU HanwuLIU DabenZENG JianzhongCUI LiminBA | 2005 | Journal of Materials Science & Technology2005，21，2： | 1 |
| 3 | Interfacial mechanical property of steel-mushy Al-20Sn bonding显示文摘The bonding of a steel plate to A1-20Sn slurry was conducted using the casting rolling technique. The surface of the steel plate was defatted, descaled, immersed (in K2ZrF6 flux aqueous solution) and stoved. A1-20Sn slurry was prepared using the electromagnetic mechanical stirring method. The interfacial mechanical property of the bonding plate was researched to determine the relationship between the diffusion time and the interfacial shear strength. In order to identify the mechanism of bonding, the interfacial structure of the bonding plate was studied. The results show that at a preheat temperature of the steel plate of 505℃ and a solid fraction of A1-20Sn slurry of 35%, the relationship between the interfacial shear strength S and the diffusion time t is S=28.8+4.3t-0.134t2 +0.0011t3. When the diffusion time is 22 s, the largest interfacial shear strength is 70.3 MPa, and the corresponding interface is a new one which is made up of Fe-A1 compound and Fe-Al solid solution alternatively and in a right proportion.In this interfacial structure, the interfacial embrittlement does not happen and Fe-Al compound can play its role in strong combination adequately. | PengZhang YunhuiDu HanwuLiu DabenZeng JianzhongCui LiminBat | 2004 | Journal of University of Science and Technology Beijing2004，11，2： | 0 |
| 4 | Study on Mechanical Property in Steel-Aluminum Solid to Liquid Bonding显示文摘The bonding of solid steel plate to liquid Al was conducted using rapid solidification. The influence of thickness of FeAl compound layer at the interface on interfacial shear strength of bonding plate was studied. The results show that the relationship between thickness of Fe-Al compound layer and interfacial shear strength is S=30.4+8.51 h-0.51 h2+0.007 ha (where h is thickness of Fe-Al compound layer, S is interfacial shear strength). When thickness of Fe-Al compound layer is 10.7μm, the largest interfacial shear strength is 71.6 Mpa. | LizhongZHANC PengZHANG YunhuiDU DabenZENG JianzhongCUI LiminBA | 2003 | Journal of Materials Science & Technology2003，19，2： | 0 |
| 5 | Interfacial Structure of Steel-Mushy Al-20Sn Bonding Plate显示文摘Fe-Al compound at the interface of steel-mushy Al-20Sn bonding plate was studied quantitatively. The relationship between ratio of Fe-Al compound at interface and bonding parameters (such as preheat temperature of steel plate,solid fraction of Al-20Sn slurry and rolling speed) was established by artificial neural networks perfectly. The results show that when the bonding parameters are 505℃ for preheat temperature of steel plate, 34.3% for solid fraction of AI-20Sn slurry and 10 mm/s for rolling speed, the reasonable ratio of Fe-Al compound corresponding to the largest interfacial shear strength of bonding plate is obtained. Its value is 72%. This reasonable ratio of Fe-Al compound is a quantitative criterion of interracial embrittlement, that is, when the ratio of Fe-Al compound at interface is larger than 72%, interracial embrittlement will occur. | PengZHANG YunhuiDU HanwuLIU DabenZENG JianzhongCUI LiminBA | 2004 | Journal of Materials Science & Technology2004，20，2： | 0 |
| 6 | The study on relation of NOS and neuronal cell death after traumatic brain injury in rats by double labeling staining显示文摘 | ChaoyanSong JunlingGao JianzhongCui YanxiaTian JunHong | 2004 | 中国组织化学与细胞化学杂志2004，13，3： | 0 |
| 7 | The effect of nNOS and iNOS on neuronal cell death after traumatic brain injury in rats显示文摘 | ChaoyanSong JianzhongCui JunlingGao YanxiaTian QingjunLiu JunHong | 2004 | 中国组织化学与细胞化学杂志2004，13，3： | 0 |
| 8 | Thickness of compound layer in steel-aluminum solid to liquid bonding显示文摘The bonding of solid steel plate to liquid aluminum was studied using rapid solidification. The surface of solid steel plate was defatted, descaled, immersed (in K2ZrF6 flux aqueous solution) and stoved. In order to determine the thickness of Fe-A1 compound layer at the interface of steel-aluminum solid to liquid bonding under rapid solidification, the interface of bonding plate was investigated by SEM (Scanning Electron Microscope) experiment. The relationship between bonding parameters (such as preheat temperature of steel plate, temperature of aluminum liquid and bonding time) and thickness of Fe-Al compound layer at the interface was established by artificial neural networks (ANN) perfectly. The maximum of relative error between the output and the desired output of the ANN is only 5.4%. From the bonding parameters for the largest interfacial shear strength of bonding plate (226℃ for preheat temperature of steel plate, 723 ℃ for temperature of aluminum liquid and 15.8 s for bonding time), the reasonable thickness of Fe-A1 compound layer 10.8 μm was got. | PengZhang YunhuiDu HanwuLiu ShumingXing DabenZeng JianzhongCui LiminBa | 2003 | Journal of University of Science and Technology Beijing2003，10，5： | 0 |
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