|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | Effect of La_(2)O_(3) addition on the synthesis of tungsten nanopowder via combustion-based method显示文摘In this study, the influences of La_(2)O_(3) added on the phase, morphology and reduction process of tungsten oxide prepared by solution combustion synthesis(SCS) were investigated for the first time. And tungsten nanopowders with different La_(2)O_(3) doping amount(0.5~5.0 wt%) were successfully prepared by SCS and followed hydrogen reduction. The results showed that with the increase of La_(2)O_(3) addition,the product synthesized by SCS changed from needle-like W_(18) O_(49) to irregularly granulated H0.53 WO3 and the complete reduction temperature also increased form 700°C to 850°C. The densification behavior of as-prepared W nanopowders revealed that the densification inhibitory effect of La_(2)O_(3) was enhanced as the La_2O_3 addition increased. Nevertheless, due to the optimal size and distribution of La_(2)O_(3) particles,the sample with 2.0 wt% La_(2)O_(3) addition has a smallest grain size of 0.47 μm and a highest microhardness value of 739.3 Hv0.2, which are the best compared with the literature. | Zheng Chen Mingli Qin Junjun Yang Lin Zhang Baorui Jia Xuanhui Qu | 2020 | Journal of Materials Science & Technology2020，58，23： | 2 |
| 2 | Powder injection molding of Fe-Ni soft magnetic alloys显示文摘With miniaturization and complication of the shape of electronic devices in recent years, powder injection molding (PIM) seems to be a suitable process for fabricating the higher performance soft magnetic components. In this paper, high quality Fe-50Ni soft magnetic alloy was fabricated by PIM with carbonyl iron and nickel, and the effect of sintering process on its microstructure and magnetic properties were investigated. The mechanical and magnetic properties can be obviously improved by increasing the sintering temperature or using the hydrogen atmosphere instead of high vacuum, which causes by the increase of grain size and the densification. At the optimum sintering conditions, the PIM Fe-50Ni soft magnetic alloy with high properties are obtained, whose relative density, tensile strength, Bm, Hc, μm are 97%, 465 MPa, 1.52 T, 16.62 A·m-1, 42.5 mH·m-1, respectively. | DUAN Bohua QU Xuanhui QIN Mingli GUO Shibo | 2006 | Rare Metals2006，25，z1： | 2 |
| 3 | Application of a wax-based binder in PIM of WC–TiC–Co cemented carbides显示文摘 | Xuanhui Qu Jianxiang Gao Mingli Qin Changming Lei | 2005 | International Journal of Refractory Metals and Hard Materials2005，，4： | 1 |
| 4 | hpplieation of a wax based binder in PIM of WC-TiC-Co cemented carbides显示文摘 | Qu Xuanbui Gao Jianxiang Qin Mingli | 2005 | Internadonal Journal of Refractory Metals&Hard Materials2005，，23： | 1 |
| 5 | Pivotal Roles of T- Helper 17-Related Cytokines, IL-17, IL-22, and IL-23, in Inflammatory Diseases 显示文摘 | Ning Qu Mingli Xu Izuru Mizoguchi | 2013 | Clin Dev Immunol2013，96，8： | 1 |
| 6 | Application of a wax-based binder in PIM of WC-TiC-o cemented carbides 显示文摘 | QU Xuanhui GAO Jianxiang QIN Mingli | 2005 | Int J Refract Met Hard Mater2005，23，： | 1 |
| 7 | Different cellular effects of four anti-inflammatory eye drops on human corneal epithelial cells:independent in active components显示文摘 | Mingli Qu Yao Wang Lingling Yang | 2011 | Molecular Vision2011，17，： | 1 |
| 8 | Pivotal Roles of T-Helper 17-Related Cytokines, IL-17, IL-22, and IL-23, in Inflammatory Diseases显示文摘 | Ning Qu Mingli Xu Izuru Mizoguchi Jun-ichi Furusawa Kotaro Kaneko Kazunori Watanabe Junichiro Mizuguchi Masahiro Itoh Yutaka Kawakami Takayuki Yoshimoto William O’Connor | 2013 | <journal-title>Clinical and Developmental Immunology2013，，： | 1 |
| 9 | Pressureless two-step sintering of ultrafine-grained refractory metals:Tungsten-rhenium and molybdenum显示文摘The challenge of sintering ultrafine-grained refractory metals and alloys to full density is hereby addressed by pressureless two-step sintering in tungsten-rhenium alloy and pure molybdenum. Using properly processed nano powders(~50 nm average particle size), we are able to sinter W-10Re alloy to 98.4% density below 1200 ℃ while maintaining a fine grain size of 260 nm, and sinter molybdenum to 98.3% density below 1120 ℃ while maintaining a fine grain size of 290 nm. Compared to normal sintering,two-step sintering offers record-fine grain sizes and better microstructural uniformity, which translates to better mechanical properties with higher hardness(6.3 GPa for tungsten-rhenium and 4.0 GPa for molybdenum, both being the highest in all pressurelessly sintered samples of the respective material system)and larger Weibull modulus. Together with our previous demonstration in tungsten, we believe that twostep sintering is a general effective method to produce high-quality fine-grained refractory metals and alloys, and the lessons learned here are transferable to other materials for powder metallurgy. | Zhongyou Que Zichen Wei Xingyu Li Lin Zhang Yanhao Dong Mingli Qin Junjun Yang Xuanhui Qu Ju Li | 2022 | Journal of Materials Science & Technology2022，，31： | 1 |
| 10 | Application of a wax-based binder in PIM of WC-TiC-Co cemented car-bides显示文摘 | Qu Xuanhui Gao Jianxiang Qin Mingli | 2005 | Int J Refractory Metals & Hard Mater2005，23，： | 1 |
| 11 | 显示文摘 | Qin Mingli Qu Xuanhui Duan Bohua | 2004 | Rare Metal Materials and Engineering2004，33，11： | 1 |
| 12 | Effects of heat treatment on the properties of powder injection molded AlN ceramics显示文摘The effects of two different heat-treatment atmospheres,nitrogen atmosphere and reducing nitrogen atmosphere with carbon,on the properties of Y2O3-doped aluminum nitride(AlN) ceramics were investigated.The AlN powder as a raw material was synthesized by self-propagating high-temperature synthesis(SHS) and compacts were fabricated by employing powder injection molding technique.The polymer-wax binder consisted of 60 wt.% paraffin wax(PW),35 wt.% polypropylene(PP),and 5 wt.% stearic acid(SA).After the removal of binder,specimens were sintered at 1850°С in nitrogen atmosphere under atmospheric pressure.To improve the thermal conductivity,sintered samples were reheated.The result reveals that the heat-treatment atmosphere has significant effect on the properties and secondary phase of AlN ceramics.The thermal conductivity and density of AlN ceramics reheated in nitrogen gas are 180 W·m-1·K-1 and 3.28 g·cm-3 and the secondary phase is yttrium aluminate.For the sample reheated in reducing nitrogen atmosphere with carbon,the thermal conductivity and density are 173 W·m-1·K-1 and 3.23 g·cm-3,respectively,and the secondary phase is YN. | DU Xueli QIN Mingli Akhtar Farid FENG Peizhong QU Xuanhui | 2008 | Rare Metals2008，27，1： | 1 |
| 13 | Hot deformation behavior of Co-base ODS alloys显示文摘 | Lin Zhang Xuanhui Qu Xinbo He Din Rafi-ud Mingli Qin Hongmin Zhu | 2011 | Journal of Alloys and Compounds2011，，1： | 1 |
| 14 | Preparation of TiN nanopowder by carbothermal reduction of a combustion synthesized precursor显示文摘 | Aimin Chu Mingli Qin Xuezhi Jiang Lin Zhang Baorui Jia Huifeng Lu Yajuan Chen Xuanhui Qu | 2013 | Materials Characterization2013，，： | 1 |
| 15 | Manufacturing of Injection-Molded NdFeB Magnet with (BH)max111 kJ · m-3显示文摘The bonded NdFeB magnets prepared by injection molding meet with the development tendency of the magnet in small volume, light weight and high performance ,and have a good prospect.In this paper, a modified nylonbased binder was developed for powder injection molding of NdFeB bonded magnets.The effects of pretreatment of NdFeB anisotropic magnetic powder produced with HDDR processing on the anti-oxidation behaviors of powder and the final magnetic properties of the molded bonded magnets were studied.The optimal powder loading of 65 vol% was achieved with the modified binder.It was found that the properties of the bonded magnets were mainly affected by the powder surface pretreatment and the intensity of the applied alignment magnetic field during injection molding for a certain powder.Bonded magnets with remanence of 0.820 T, intrinsic coercivity of 1140.3 kA· m-1 and maximum energy product of 111 kJ · m-3 were produced with the optimal processing. | Duan Bohua Qu Xuanhui Xu Zhengzhou Guo Shibo Qin Mingli | 2004 | Journal of Rare Earths2004，22，z1： | 0 |
| 16 | A gap-free reference genome reveals structural variations associated with flowering time in rapeseed(Brassica napus)显示文摘Allopolyploid oilseed rape(Brassica napus)is an important oil crop and vegetable.However,the latest version of its reference genome,with collapsed duplications,gaps,and other issues,prevents comprehensive genomic analysis.Herein,we report a gap-free assembly of the rapeseed cv.Xiang5A genome using a combination of ONT(Oxford Nanopore Technologies)ultra-long reads,PacBio high-fidelity reads,and Hi-C datasets.It includes gap-free assemblies of all 19 chromosomes and telomere-to-telomere assemblies of eight chromosomes.Compared with previously published genomes of B.napus,our gap-free genome,with a contig N50 length of 50.70 Mb,has complete assemblies of 9 of 19 chromosomes without manual intervention,and greatly improves contiguity and completeness,thereby representing the highest quality genome assembly to date.Our results revealed that B.napus Xiang5A underwent nearly complete triplication and allotetraploidy relative to Arabidopsis thaliana.Using the gap-free assembly,we found that 917 flowering-related genes were affected by structural variation,including BnaA03.VERNALIZATION INSENSITIVE 3 and BnaC04.HIGH EXPRESSION OF OSMOTICALLY RESPONSIVE GENES 1.These genes may play crucial roles in regulating flowering time and facilitating the adaptation of Xiang5A in the Yangtze River Basin of China.This reference genome provides a valuable genetic resource for rapeseed functional genomic studies and breeding. | Bao Li Qian Yang Lulu Yang Xing Zhou Lichao Deng Liang Qu Dengli Guo Rongkui Hui Yiming Guo Xinhong Liu Tonghua Wang Lianyi Fan Mei Li Mingli Yan | 2023 | Horticulture Research2023，10，10： | 0 |
| 17 | Influences of oxide content and sintering temperature on microstructures and mechanical properties of intragranular-oxide strengthened iron alloys prepared by spark plasma sintering显示文摘How to increase strength without sacrificing ductility has been developed as a key goal in the manufacture of high-performance metals or alloys. Herein, the double-nanophase intragranular yttrium oxide dispersion strengthened iron alloy with high strength and appreciable ductility was fabricated by solution combustion route and subsequent spark plasma sintering, and the influences of yttrium oxide content and sintering temperature on microstructures and mechanical properties were investigated. The results show at the same sintering temperature,with the increase of yttrium oxide content, the relative density of the sintered alloy decreases and the strength increases. For Fe–2wt%Y_(2)O_(3)alloy, as the sintering temperature increases gradually, the compressive strength decreases, while the strain-to-failure increases. The Fe–2wt%Y_(2)O_(3)alloy with 15.5 nm Y_(2)O_(3)particles uniformly distributed into the 147.5 nm iron grain interior sintered at 650℃ presents a high ultimate compressive strength of 1.86 GPa and large strain-to-failure of 29%. The grain boundary strengthening and intragranular second-phase particle dispersion strengthening are the main dominant mechanisms to enhance the mechanical properties of the alloy. | Deyin Zhang Xu Hao Baorui Jia Haoyang Wu Lin Zhang Mingli Qin Xuanhui Qu | 2023 | International Journal of Minerals,Metallurgy and Materials2023，30，9： | 0 |
您所在的机构暂未开通此部分的功能，请联系管理员