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| 1 | Differences in microstructure and properties between selective laser melting and traditional manufacturing for fabrication of metal parts: A review显示文摘(直线波松) 作为生产技术的添加剂之一,选择激光融化广泛地被调查制作金属部分。在直线波松,部分以一种 layer-by-layer 方式从粉末直接被生产;直线波松也提供几个优点,例如有高三维的精确性的复杂部分的生产,与生产技术的另外的添加剂相比。因此,直线波松能在航空学被使用,航天学,药,并且死并且铸造工业。然而,这种技术不同于传统的方法,例如扔并且前进;例如,前者极大地以产品的微观结构和性质不同。这份报纸通过直线波松在金属材料制造上总结相关研究。基于在 Huazhong 大学 Sci 技术完成的一个工作,快速的 Manuf。中心(HUST-RMC ) 并且与在其它描述的特征相比,直线波松的报导研究,微观结构,性质,维的精确性,和应用被介绍。 | Bo SONG Xiao ZHAO Shuai LI Changjun HAN Qingsong WEI Shifeng WEN Jie LIU Yusheng SHI | 2015 | Frontiers of Mechanical Engineering2015，10，2： | 26 |
| 2 | Smart manufacturing systems for Industry 4.0: Conceptual framework, scenarios, and future perspectives显示文摘 | Pai ZHENG Honghui WANG Zhiqian SANG Ray Y. ZHONG Yongkui LIU Chao LIU Khamdi MUBAROK Shiqiang YU Xun XU | 2018 | Frontiers of Mechanical Engineering2018，13，2： | 19 |
| 3 | An identification method for enclosed voids restriction in manufacturability design for additive manufacturing structures显示文摘生产的添加剂(AM ) 技术例如选择激光 sintering (SLS )( 频分多路复用) 并且熔化免职建模,为复杂部分的直接生产成为了强大的工具。在生产技术的这突破做新几何特征和可能的多重材料的制造。经过关于经常集中于怎么获得结构或部分的需要的功能的性能的图案和设计方法的研究,象生产 AM 的限制一样的特定的生产能力被忽视。然而,在 AM 过程的固有的限制应该在设计过程被考虑。在这篇论文,围住的虚空,生产 AM 的限制的一种类型,被调查。在数学,因为稳固的结构是 simplyconnected,围住表示的虚空限制。我们建议对为避免的简单地连接的限制的相等的描述在结构围住虚空,命名同样虚拟的温度方法(VTM ) 。在这个方法,假定在结构的虚空与高热电导率充满虚拟加热材料,稳固的区域与低热电导率充满另一虚拟材料。一旦围住的虚空在结构存在,结构的最大的温度价值将很高。在这个方法之上基于, simplyconnected 限制等价于最大的温度限制。并且这个方法能容易被用来在拓扑学优化提出简单地连接的限制。这个描述方法的有效性被几个例子说明。在拓扑学之上基于优化, 3D 伸臂横梁的一个例子被用来说明在 manufacturability 和功能之间的交易。而且,三优化结构被频分多路复用技术制作进一步显示为 AM 在设计阶段考虑简单地连接的限制的必要性。 | Shutian LIU Quhao LI Wenjiong CHEN Liyong TONG Gengdong CHENG | 2015 | Frontiers of Mechanical Engineering2015，10，2： | 18 |
| 4 | Fatigue crack initiation of magnesium alloys under elastic stress amplitudes:A review显示文摘The most advantageous property of magnesium(Mg)alloys is their density,which is lower compared with traditional metallic materials.Mg alloys,considered the lightest metallic structural material among others,have great potential for applications as secondary load components in the transportation and aerospace industries.The fatigue evaluation of Mg alloys under elastic stress amplitudes is very important in ensuring their service safety and reliability.Given their hexagonal close packed structure,the fatigue crack initiation of Mg and its alloys is closely related to the deformation mechanisms of twiuning and basal slips.However,for Mg alloys with shrinkage porosities and inclusions,fatigue cracks will preferentially initiate at these defects,remarkably reducing the fatigue lifetime.In this paper,some fundamental aspects about the fatigue crack initiation mechanisms of Mg alloys are reviewed,in cluding the 3 followings:1)Fatigue crack initiation of as-cast Mg alloys,2)influence of microstructure on fatigue crack initiation of wrought Mg alloys,and 3)the effect of heat treatment on fatigue initiation mechanisms.Moreover,some unresolved issues and future target on the fatigue crack initiation mechanism of Mg alloys are also described. | B.J.WANG D.K.XU S.D.WANG E.H.HAN | 2019 | Frontiers of Mechanical Engineering2019，14，1： | 15 |
| 5 | Review on mechanism and process of surface polishing using lasers显示文摘Laser polishing is a technology of smoothening the surface of various materials with highly intense laser beams. When these beams impact on the material surface to be polished, the surface starts to be melted due to the high temperature. The melted material is then relocated from the ‘peaks to valleys’ under the multidirectional action of surface tension. By varying the process parameters such as beam intensity, energy density, spot diameter, and feed rate, different rates of surface roughness can be achieved. High precision polishing of surfaces can be done using laser process. Currently, laser polishing has extended its applications from photonics to molds as well as bio-medical sectors. Conventional polishing techniques have many drawbacks such as less capability of polishing freeform surfaces, environmental pollution, long processing time, and health hazards for the operators. Laser polishing on the other hand eliminates all the mentioned drawbacks and comes as a promising technology that can be relied for smoothening of initial topography of the surfaces irrespective of the complexity of the surface. Majority of the researchers performed laser polishing on materials such as steel, titanium, and its alloys because of its low cost and reliability. This article gives a detailed overview of the laser polishing mechanism by explaining various process parameters briefly to get a better understanding about the entire polishing process. The advantages and applications are also explained clearly to have a good knowledge about the importance of laser polishing in the future. | Arun KRISHNAN Fengzhou FANG | 2019 | Frontiers of Mechanical Engineering2019，14，3： | 15 |
| 6 | Review on the progress of ultra-precision machining technologies显示文摘 | Julong YUAN Binghai LYU Wei HANG Qianfa DENG | 2017 | Frontiers of Mechanical Engineering2017，12，2： | 15 |
| 7 | Basic research on machinery fault diagnostics: Past, present, and future trends显示文摘 | Xuefeng CHEN Shibin WANG Baijie QIAO Qiang CHEN | 2018 | Frontiers of Mechanical Engineering2018，13，2： | 14 |
| 8 | Geometrically constrained isogeometric parameterizedlevel-set based topology optimization via trimmed elements显示文摘In this paper, an approach based on the fastpoint-in-polygon (PIP) algorithm and trimmed elements isproposed for isogeometric topology optimization (TO)with arbitrary geometric constraints. The isogeometricparameterized level-set-based TO method, which directlyuses the non-uniform rational basis splines (NURBS) forboth level set function (LSF) parameterization andobjective function calculation, provides higher accuracyand efficiency than previous methods. The integration oftrimmed elements is completed by the efficient quadraturerole that can design the quadrature points and weights forarbitrary geometric shape. Numerical examples demon-strate the efficiency and flexibility of the method. | Yingjun WANG David J. BENSON | 2016 | Frontiers of Mechanical Engineering2016，11，4： | 13 |
| 9 | MEMS-based thermoelectric infrared sensors: A review显示文摘 | Dehui XU Yuelin WANG Bin XIONG Tie LI | 2017 | Frontiers of Mechanical Engineering2017，12，4： | 11 |
| 10 | Digital switched hydraulics显示文摘 | Min PAN Andrew PLUMMER | 2018 | Frontiers of Mechanical Engineering2018，13，2： | 11 |
| 11 | A brief review on key technologies in the battery management system of electric vehicles显示文摘Batteries have been widely applied in many high-power applications,such as electric vehicles(EVs)and hybrid electric vehicles,where a suitable battery management system(BMS)is vital in ensuring safe and reliable operation of batteries.This paper aims to give a brief review on several key technologies of BMS,including battery modelling,state estimation and battery charging.First,popular battery types used in EVs are surveyed,followed by the introduction of key technologies used in BMS.Various battery models,including the electric model,thermal model and coupled electro-thermal model are reviewed.Then,battery state estimations for the state of charge,state of health and internal temperature are comprehensively surveyed.Finally,several key and traditional battery charging approaches with associated optimization methods are discussed. | Kailong LIU Kang LI Qiao PENG Cheng ZHANG | 2019 | Frontiers of Mechanical Engineering2019，14，1： | 10 |
| 12 | Novel casting processes for single-crystal turbine blades of superalloys显示文摘 | Dexin MA | 2018 | Frontiers of Mechanical Engineering2018，13，1： | 10 |
| 13 | Motion control of multi-actuator hydraulic systems for mobile machineries: Recent advancements and future trends显示文摘 | Bing XU Min CHENG | 2018 | Frontiers of Mechanical Engineering2018，13，2： | 9 |
| 14 | Research and industrialization of near-net rolling technology used in shaft parts显示文摘 | Zhenghuan HU Baoyu WANG Zhenhua ZHENG | 2018 | Frontiers of Mechanical Engineering2018，13，1： | 9 |
| 15 | Review of small aspheric glass lens molding technologies显示文摘 | Shaohui YIN Hongpeng JIA Guanhua ZHANG Fengjun CHEN Kejun ZHU | 2017 | Frontiers of Mechanical Engineering2017，12，1： | 9 |
| 16 | ;ast forward kinematics algorithm for real-time and ligh-precision control of the 3-RPS parallel mechanism显示文摘 | Yue WANG Jingjun YU Xu PEI | 2018 | Frontiers of Mechanical Engineering2018，13，3： | 9 |
| 17 | Branch-pipe-routing approach for ships using improved genetic algorithm显示文摘分支管子路由在轮船管子设计起基本、关键的作用。branch-pipe-routing 问题是一个复杂组合优化问题并且当仅仅取决于人的专家时,因此是困难的解决。一条修改 genetic-algorithm-based 途径在这篇论文被建议解决这个问题。简化布局空间首先被划分成 threedimensional (3D ) 造它的数学模型的格子。在布局空间的布朗奇管子被认为是几根二点的管子的联合,并且在二个连接之间的管子线路指用一个改进迷宫算法被产生。编码分支管子然后被定义,并且基因操作员特别被设计极大地加速集中速度的完全的转线路策略。最后,模拟测试表明建议方法的表演。 | Haiteng SUI Wentie NIU | 2016 | Frontiers of Mechanical Engineering2016，11，3： | 8 |
| 18 | Cryogenic minimum quantity lubrication machining: from mechanism to application显示文摘Cutting fluid plays a cooling-lubrication role in the cutting of metal materials.However,the substantial usage of cutting fluid in traditional flood machining seriously pollutes the environment and threatens the health of workers.Environmental machining technologies,such as dry cutting,minimum quantity lubrication(MQL),and cryogenic cooling technology,have been used as substitute for flood machining.However,the insufficient cooling capacity of MQL with normal-temperature compressed gas and the lack of lubricating performance of cryogenic cooling technology limit their industrial application.The technical bottleneck of mechanical-thermal damage of difficult-to-cut materials in aerospace and other fields can be solved by combining cryogenic medium and MQL.The latest progress of cryogenic minimum quantity lubrication(CMQL)technology is reviewed in this paper,and the key scientific issues in the research achievements of CMQL are clarified.First,the application forms and process characteristics of CMQL devices in turning,milling,and grinding are systematically summarized from traditional settings to innovative design.Second,the cooling-lubrication mechanism of CMQL and its influence mechanism on material hardness,cutting force,tool wear,and workpiece surface quality in cutting are extensively revealed.The effects of CMQL are systematically analyzed based on its mechanism and application form.Results show that the application effect of CMQL is better than that of cryogenic technology or MQL alone.Finally,the prospect,which provides basis and support for engineering application and development of CMQL technology,is introduced considering the limitations of CMQL. | Mingzheng LIU Changhe LI Yanbin ZHANG Qinglong AN Min YANG Teng GAO Cong MAO Bo LIU Huajun CAO Xuefeng XU Zafar SAID Sujan DEBNATH Muhammad JAMIL Hafz Muhammad ALI Shubham SHARMA | 2021 | Frontiers of Mechanical Engineering2021，16，4： | 8 |
| 19 | Inverse identification of the mechanical parameters of a pipeline hoop and analysis of the effect of preload显示文摘To create a dynamic model of a pipeline system effectively and analyze its vibration characteristics, the mechanical characteristic parameters of the pipeline hoop, such as support stiffness and damping under dynamic load, must be obtained. In this study, an inverse method was developed by utilizing measured vibration data to identify the support stiffiiess and damping of a hoop. The procedure of identifying such parameters was described based on the measured natural frequencies and amplitudes of the frequency response functions (FRFs) of a pipeline system supported by two hoops. A dynamic model of the pipe-hoop system was built with the finite element method, and the formulas for solving the FRF of the pipeline system were provided. On the premise of selecting initial values reasonably, an inverse identification algorithm based on sensitivity analysis was proposed. A case study was performed, and the mechanical parameters of the hoop were identified using the proposed method. After introducing the identified values into the analysis model, the reliability of the identification results was validated by comparing the predicted and measured FRFs of the pipeline. Then, the developed method was used to identify the support stiffness and damping of the pipeline hoop under different preloads of the bolts. The influence of preload was also discussed. Results indicated that the support stiffiiess and damping of the hoop exhibited frequency-dependent characteristics. When the preloads of the bolts increased, the support stiffness increased, whereas the support damping decreased. | Ye GAO Wei SUN | 2019 | Frontiers of Mechanical Engineering2019，14，3： | 7 |
| 20 | Recent advances in ultrasonic-assisted machining for the fabrication of micro/nano-textured surfaces显示文摘 | Shaolin XU Tsunemoto KURIYAGAWA Keita SHIMADA Masayoshi MIZUTANI | 2017 | Frontiers of Mechanical Engineering2017，12，1： | 7 |
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