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| 1 | Effects of Service Condition on Rolling Contact Fatigue Failure Mechanism and Lifetime of Thermal Spray Coatings——A Review显示文摘The service condition determines the Rolling Contact Fatigue(RCF) failure mechanism and lifetime under ascertain material structure integrity parameter of thermal spray coating. The available literature on the RCF testing of thermal spray coatings under various condition services is considerable; it is generally difficult to synthesize all of the result to obtain a comprehensive understanding of the parameters which has a great effect on a thermal spray coating's resistance of RCF. The effects of service conditions(lubrication states, contact stresses, revolve speed, and slip ratio) on the changing of thermal spray coatings' contact fatigue lifetime is introduced systematically. The effects of different service condition on RCF failure mechanism of thermal spray coating from the change of material structure integrity are also summarized. Moreover, In order to enhance the RCF performance, the parameter optimal design formula of service condition and material structure integrity is proposed based on the effect of service condition on thermal spray coatings' contact fatigue lifetime and RCF failure mechanism. The shortage of available literature and the forecast focus in future researches are discussed based on available research. The explicit result of RCF lifetime law and parameter optimal design formula in term of lubrication states, contact stresses, revolve speed, and slip ratio, is significant to improve the RCF performance on the engineering application. | CUI Huawei CUI Xiufang WANG Haidou XING Zhiguo JIN Guo | 2015 | Chinese Journal of Mechanical Engineering2015，28，1： | 12 |
| 2 | Influence of La2O3 addition on nano indentation hardness and residual stress of Stellite 6 coating prepared by plasma cladding显示文摘One of the problems limiting the application of Stellite 6 coating is the residual stress resulting in cracks in the coating easily. In order to reduce the residual stress and increase the nano-indentation hardness,La_2 O_3 was added to Stellite 6 coating in this study, and the influence on the microstructure, nano indentation hardness and residual stress of the coatings were investigated by scanning electron microscopy(SEM) with energy dispersive spectrum(EDS), X-ray diffraction(XRD) and nano-indentation tester. Results indicate that the addition of La_2 O_3 leads to the phenomenon that the dendrite is partly transformed into the equiaxed grain, which results in the grain refinement. The nano-indentation hardness of coatings is improved, which is attributed to the fine-grain strengthening and dispersion strengthening effect of La_2 O_3. With the addition of La_2 O_3, the residual stress in coatings is decreased significantly. Especially, when the content of La_2 O_3 is 0.8 wt%, the nano indentation hardness increases by 1.31 times and residual stress decreases to 20 percent, compared with coating without La_2 O_3. | Yongchao Fang Xiufang Cui Zhaobing Cai Chang Wang Guo Jin | 2018 | Journal of Rare Earths2018，36，8： | 5 |
| 3 | Hydrodynamic performance and structural response characteristics of the double-slotted vertical cambered V-Type otter board显示文摘Vertical cambered V-type otter boards are widely used in large and medium-sized trawlers for their good stability and adaptability to various water layers.However,limited numerical studies on the hydrodynamic performance and structural strength of this type of otter board have been published.In this study,we established the three-dimensional numerical model of the double-slotted vertical cambered V-type otter board according to its special structure and stress feature.We compare the hydrodynamic performance results of our model with those of previous experiments.Using this model,we analyzed the influence of parameters such as attack angle,aspect ratio,dihedral,and deflector angles on its hydrodynamic performance.Moreover,the structural response characteristics of the otter board under typical working conditions were studied.We believe our results will provide theoretical reference for the structural design and optimization of the vertical cambered V-type otter board. | Wenhua Chu Gang Chen Xuchang Ye Xiufang Cui | 2020 | Aquaculture and Fisheries2020，5，4： | 5 |
| 4 | Vacuum carburization of 12Cr2Ni4A low carbon alloy steel with lanthanum and cerium ion implantation显示文摘As bearing parts, 12 Cr2 Ni4 A is expected to have high hardness and excellent fatigue strength, so carburizing is employed to improve the inherit properties of 12 Cr2 Ni4 A. However, the traditional carburizing is limited by poor microstructure distribution and low rate of carburizing. The rare earth ion implantation is known to help improving the properties of tribology, corrosion resistance and oxidation resistance of metal. In this article, the RE implantation is employed to assist the carburizing. Lanthanum and cerium ion implantations are initially used to assist 12 Cr2 Ni4 A low pressure vacuum carburization.The microstructure, content of retained austenite, hardness, thickness of layer and carbon diffusion were analyzed by optical microscopy(OM), scanning electron microscopy(SEM), X-ray diffraction(XRD) and Rockwell/Vickers hardness tester, respectively. It was shown that lanthanum and cerium implantations can improve structure of the vacuum carburizing layer, and enhance the uniformity of carbon element distribution on the carburized surface. Meanwhile the RE implantation plays a positive role in promoting the surface hardness and carburized rate. The lanthanum element has more significant effect on surface hardness and content of retained austenite than cerium element. The surface hardness of lanthanum element implanted layer was 62.9 HRC with 9.6% content of retained austenite, while the carburizing rate of cerium implanted layer increased by 12.4%. | Meiling Dong Xiufang Cui Yuhui Zhang Guo Jin Caiwen Yue Xin Zhao Zhaobing Cai Binshi Xu | 2017 | Journal of Rare Earths2017，35，11： | 3 |
| 5 | Electroless Ni-P plating with a phytic acid pretreatment on AZ91D magnesium alloy显示文摘 | Cui Xiufang Jin Guo Li Qingfen | 2010 | Materials Chemistry and Physics2010，121，12： | 1 |
| 6 | Apolipoprotein E polymorphism in northern Chinese elderly patients with coronary artery disease显示文摘Background and objective Apolipoprotein E is a constituent of lipoproteins with considerable variation due to cysteine-arginine exchanges. We investigated the relationship between apo E gene polymorphism and the occurrence of coronary artery disease(CAD) in the older population of northern China. Methods The distribution of the HhaI polymorphisms of the apolipoprotein E gene was determined among 55 patients with CAD (CAD group), which was compared with that of 36 elderly subjects without CAD(control group). Results Genotype distributions at both sites (apo E gene 112-bp and 158-bp sites ) were different between the CAD and control groups. The CAD group had lower apolipoprotein E'ε2'frequencies than the control group (P<0.05). Conclusion Individuals with apolipoprotein E'ε2'are likely to have a reduced risk of developing coronary artery disease as demonstrated by elderly subjects in Northern China. | Yangchun ZOU Dayi HU Xiufang HONG Xingyuan JIA Xinchun YANG Liang CUI | 2006 | Journal of Geriatric Cardiology2006，3，2： | 1 |
| 7 | Electroless Ni–P plating with a phytic acid pretreatment on AZ91D magnesium alloy显示文摘 | Xiufang Cui Guo Jin Qingfen Li Yuyun Yang Ying Li Fuhui Wang | 2010 | Materials Chemistry and Physics2010，，1： | 1 |
| 8 | Discovery of a small molecule inhibitor of cullin neddylation that triggers ER stress to induce autophagy显示文摘Protein neddylation is catalyzed by a three-enzyme cascade,namely an E1 NEDD8-activating enzyme(NAE),one of two E2 NEDD8 conjugation enzymes and one of several E3 NEDD8 ligases.The physiological substrates of neddylation are the family members of cullin,the scaffold component of cullin RING ligases(CRLs).Currently,a potent E1 inhibitor,MLN4924,also known as pevonedistat,is in several clinical trials for anti-cancer therapy.Here we report the discovery,through virtual screening and structural modifications,of a small molecule compound HA-1141 that directly binds to NAE in both in vitro and in vivo assays and effectively inhibits neddylation of cullins 1 e5.Surprisingly,unlike MLN4924,HA-1141 also triggers non-canonical endoplasmic reticulum(ER)stress and PKR-mediated terminal integrated stress response(ISR)to activate ATF4 at an early stage,and to inhibit protein synthesis and mTORC1 activity at a later stage,eventually leading to autophagy induction.Biologically,HA-1141 suppresses growth and survival of cultured lung cancer cells and tumor growth in in vivo xenograft lung cancer models at a well-tolerated dose.Taken together,our study has identified a small molecule compound with the dual activities of blocking neddylation and triggering ER stress,leading to growth suppression of cancer cells. | Yanan Li Chaorong Wang Tiantian Xu Peichen Pan Qing Yu Lei Xu Xiufang Xiong Tingjun Hou Sunliang Cui Yi Sun | 2021 | Acta Pharmaceutica Sinica B2021，11，11： | 1 |
| 9 | Electroless Ni-P plating with a phytic acid pretreatment on AZ91 D magnesium alloy 显示文摘 | XIUFANG Cui GUO Jin QINGFEN Li | 2010 | Materials Chemistry and Physics2010，121，： | 1 |
| 10 | Corrosion behaviors in physiological solution of cerium conversion coatings on AZ31 magnesium alloy显示文摘 | Xiufang Cui Yuyun Yang Erbao Liu Guo Jin Jinggao Zhong Qingfen Li | 2011 | Applied Surface Science2011，，23： | 1 |
| 11 | Microstructure and corrosion resistance of phytic acid conversion coatings for magnesium alloy显示文摘 | Xiufang Cui Qingfen Li Ying Li Fuhui Wang Guo Jin Minghui Ding | 2008 | Applied Surface Science2008，，5： | 1 |
| 12 | Corrosion behaviors in physiological solution of cerium conversion coatings on AZ31 magnesium alloy显示文摘 | Xiufang Cui Yuyun Yang Erbao Liu Guo Jin Jinggao Zhong Qingfen Li | 2011 | Applied Surface Science2011，，23： | 1 |
| 13 | Design and characterization of a novel Cu_(2.3)Al_(1.3)Ni_(1.7)SnCr_(0.3) multi-principal element alloy coating on magnesium alloy by laser cladding显示文摘The evaporation and dilution of substrate seriously limit the performance of laser cladding coatings on magnesium alloys.In order to overcome the above shortcomings,a multi-step ultrasonic assisted laser remelting technology was proposed to improve the performance of the coating.In this work,a novel Cu_(2.3)Al_(1.3)Ni_(1.7)SnCr_(0.3) multi-principal element alloy coating(MPEAC)was prepared on the surface of mag-nesium alloy.Characterization techniques such as transmission electron microscopy(TEM),electron back scatter diffraction(EBSD)and scanning electron microscopy(SEM)were employed to characterize the microstructure and phase composition of the coatings.And the phase structure and morphology at the interface between the coating and the substrate were also studied via focus ion beam(FIB)and TEM method.In addition,the corrosion and wear resistance ability of the coatings were monitored by potentiodynamic polarization(PDP),and electrochemical impedance spectroscopy(EIS),hardness and friction tests.The results show that Cu_(2.3)Al_(1.3)Ni_(1.7)SnCr_(0.3) MPEAC with ultrasonic assisted is composed of FCC phase and eutectic phases(Cu_(10)Sn_(3) and Cu_(2)Ni_(3)Sn_(3)).Due to the forced convection generated by ultrasonic waves,some Cu and Ni phases are precipitated around Cu_(2)Ni_(3)Sn_(3) phases,which is beneficial to enhance the corrosion resistance.Because of the grain refinement effect caused by ultrasonic,the wear resistance of the coating is also improved.Furthermore,ultrasonic vibration can effectively weaken and eliminate the texture density of the Cu_(2.3)Al_(1.3)Ni_(1.7)SnCr_(0.3) MPEAC fabricated by laser cladding. | Lipeng Jiang Xiufang Cui Guo Jin Zhimin Tian Xin Wen Haoliang Tian Erbao Liu | 2023 | Journal of Materials Science & Technology2023，，21： | 1 |
| 14 | Electroless Ni-P Plating with a Phytic Acid Pretreatment on AZ91D Magnesium Alloy显示文摘 | Cui Xiufang Guo Jin Li Qingfen | 2010 | Materials Chemistry and Physics2010，121，： | 1 |
| 15 | Influence of phytic acid concentration on performance of phytic acid conversion coating on the AZglD magnesium alloy显示文摘 | Cui Xiufang Li Ying | 2008 | Materials chemistry and physics2008，111，： | 1 |
| 16 | Anomalous Resistivity in Vanadium-Doped Semi-Insulating 4H-SiC Wafers显示文摘The resistivities of vanadium-doped semi-insulating 4H-SiC wafers were measured by a contactless resistivity measurement system. Anomalous resistivity was found in semi-insulating 4H-SiC wafer. Raman spectra of semi-insulating4H-SiC wafer indicated that the anomalous resistivity was caused by polytype inclusion. Based on the activation energies of different SiC polytypes calculated from resistivity versus temperature data measured by COREMA-VT, the resistivities in the vanadium-doped semi-insulating 4H-SiC wafer with 6H polytype inclusion were calculated. The calculated resistivities are quite consistent with the measured resistivities. Furthermore, the compensation mechanism for the formation of anomalous resistivity was proposed. | Xianglong Yang Kun Yang Yingxin Cui Yan Peng Xiufang Chen Xuejian Xie Xiaobo Hu | 2014 | Acta Metallurgica Sinica(English Letters)2014，27，6： | 0 |
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