检索结果-南通市图书馆

Effects of substrate surface treatments on hybrid manufacturing of AlSi7Mg using die casting and selective laser melting

引用

Journal of Materials Science & Technology 2023年第25期156卷 142-156页

作者： Haiyang Fan Ann Witvrouw Friedrich Wolf-Monheim Rainer Souschek Shoufeng Yang Department of Mechanical Engineering and Flanders Make KU LeuvenCelestijnenlaan 300Bbox 2420HeverleeB-3001 LeuvenBelgium Ford Research & Advanced Engineering Ford Research and Innovation Center AachenSüsterfeldstraße 20052072 AachenGermany Yantai Research Institute Harbin Engineering University264000 YantaiChina

To balance the manufacturing cost and customizability of automotive parts,a hybrid manufacturing process combining die-casting and selective laser melting(SLM)is proposed:starting with a conventional cast substrate,SLM is utilized to add additional geometric elements on top of *** this hybrid process,the first priority is to prepare a substrate surface suitable for the subsequent SLM addition of the top-on *** this study,the original cast surface of AlSi7Mg was processed by sandblasting,wire electro-discharge machining,and laser remelting,***,additional AlSi7Mg components were built on both the original cast and treated surfaces through *** hybrid builds,these surfaces and resultant interfaces were examined by optical and scanning electron *** indicate that the defect-free metallurgical joint between the cast and additively added parts can be formed on all surfaces except for the one processed by electro-discharge *** observed epitaxial grain growth crossing the interface implies a strong connection between the cast and the SLMed *** these benefits,also mismatches in microstructure,residual stress level and element distribution between the two parts are *** a comprehensive assessment,laser remelting with no additional machining is recommended as the optimal surface treatment preceding SLM fabrication,because of its user-friendly operation,low cost,and high industrial feasibility.

关键词： hybrid manufacturing Aluminium alloy Surface treatment Laser remelting Interface Automotive

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

A review on additive/subtractive hybrid manufacturing of directed energy deposition(DED)process

Advanced Powder Materials

引用

Advanced Powder Materials 2022年第4期1卷 39-58页

作者： Mohammadreza Lalegani Dezaki Ahmad Serjouei Ali Zolfagharian Mohammad Fotouhi Mahmoud Moradi M.K.A.Ariffin Mahdi Bodaghi Department of Engineering School of Science and TechnologyNottingham Trent UniversityNottinghamNG118NSUK School of Engineering Deakin UniversityGeelong3216Australia Department of Materials MechanicsManagement and Design(3MD)Delft University of TechnologyDelftthe Netherlands School of Mechanical Aerospace and Automotive EngineeringFaculty of EngineeringEnvironment and ComputingCoventry UniversityCoventryCV12JHUK Department of Mechanical and manufacturing Engineering Faculty of EngineeringUniversiti Putra MalaysiaSerdang43400Malaysia

Additive manufacturing(AM)processes are reliable techniques to build highly complex metallic *** energy deposition(DED)is one of the most common technologies to 3D print metal *** a wide range of literature that has discussed the ability of DED in metal printing,weak binding,poor accuracy,and rough surface still exist in final ***,limitations in 3D printing of metal powder and wire indicate post-processing techniques required to achieve high quality in both mechanical properties and surface ***,hybrid manufacturing(HM),specifically additive/subtractive hybrid manufacturing(ASHM)of DED has been proposed to enhance product *** is a capable process that combines two technologies with 3-axis or multi-axis *** methods have been suggested to increase the accuracy of machines to find better quality and *** contrast,drawbacks in ASHM still exist such as limitations in existing reliable materials and poor accuracy in machine coordination to avoid collision in the multi-axes *** should be noted that there is no review work with focuses on both DED and hybridization of DED ***,in this review work,a unique study of DED in comparison to ASHM as well as novel techniques are discussed with the objective of showing the capabilities of each process and the benefits of using them for different ***,new gaps are discussed in ASHM to enhance the layer bonding and surface quality with the processes'effects on microstructures and performance.

关键词： Additive manufacturing Additive/subtractive hybrid manufacturing 3D printing hybrid manufacturing Metal alloysDirect energy deposition Machining

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Porosity,cracks,and mechanical properties of additively manufactured tooling alloys:a review

引用

Advances in manufacturing 2022年第2期10卷 175-204页

作者： Prveen Bidare Amaia Jimenez Hany Hassanin Khamis Essa School of Mechanical Engineering University of BirminghamBirminghamUK TECNUN Escuela de Ingenieria Universidad de NavarraManuel de Lardizabal 15San Sebastian20018Spain School of Engineering Technologyand DesignCanterbury Christ Church UniversityCanterbury CT11QUUK

Additive manufacturing(AM)technologies are currently employed for the manufacturing of completely functional parts and have gained the attention of hightechnology industries such as the aerospace,automotive,and biomedical *** is mainly due to their advantages in terms of low material waste and high productivity,particularly owing to the flexibility in the geometries that can be *** the tooling industry,specifically the manufacturing of dies and molds,AM technologies enable the generation of complex shapes,internal cooling channels,the repair of damaged dies and molds,and an improved performance of dies and molds employing ***,a reviewof AM processes and materials applied in the tooling industry for the generation of dies and molds is *** technologies used for tooling applications and the characteristics of the materials employed in this industry are first *** addition,the most relevant state-of-the-art approaches are analyzed with respect to the process parameters and microstructural and mechanical properties in the processing of high-performance tooling materials used in AM ***,studies on the AM of ferrous(maraging steels and H13 steel alloy)and non-ferrous(stellite alloys and WC alloys)tooling alloys are also analyzed.

关键词： Additive manufacturing(AM) Tooling alloys Super alloys hybrid manufacturing Post processing

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Interfacial Characteristics and Mechanical Behavior of hybrid Manufactured AlSi10Mg–Al6061 Bimetal via Selective Laser Melting and Forging

引用

Acta Metallurgica Sinica(English Letters) 2022年第3期35卷 375-388页

作者： Haoxiang Wang Xin Lin Nan Kang Zehao Qin Shuoqing Shi Jiacong Li Weidong Huang State Key Laboratory of Solidification Processing Northwestern Polytechnical UniversityXi'an 710072.China Key Laboratory of Metal High Performance Additive manufacturing and Innovative Design MIIT ChinaNorthwestern Polytechnical UniversityXi'an 710072China

hybrid manufacturing(HM)uses additive manufacturing(AM)techniques to prepare complex or fine structures on traditional processing parts,which can fully utilize the advantages of AM to form complex parts,and the high efficiency and low cost of conventional processing methods in manufacturing regular components.A bimetal material was produced by selective laser melting(SLM)of AlSi10Mg on the deformed Al6061 alloy substrate in this ***,the interface characteristics of the two alloys were *** results show that a metallurgical interface with a thickness of 100–200μm was formed as the result of the Marangoni convection during SLM *** detail,the circular flow in the melt pool at the interface led to the dilution of alloying elements and the change of ***,a suitable first-layer thickness can eff ectively suppress the hot cracks at the interfacial *** on the optimized results,the hybrid manufactured samples with diff erent SLM processed volume ratios(SLM-part)to the substrate were prepared to study the mechanical properties and the deformation behavior of hybrid *** results show that the volume ratio of the SLM-part to the substrate had an influence on the strength and the elasto-plastic behavior by aff ecting the distribution of plastic deformation.

关键词： hybrid manufacturing Selective laser melting Forging Aluminum alloys Interface Mechanical behavior

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Embedding aligned nanofibrous architectures within 3D-printed polycaprolactone scaffolds for directed cellular infiltration and tissue regeneration

引用

International Journal of Extreme manufacturing 2023年第2期5卷 190-206页

作者： Zijie Meng Xingdou Mu Jiankang He Juliang Zhang Rui Ling Dichen Li State Key Laboratory for manufacturing Systems Engineering Xi an Jiaotong UniversityXi an 710049People's Republic of China NMPA Key Laboratory for Research and Evaluation of Additive manufacturing Medical Devices Xi'an Jiaotong UniversityXi'an 710049People's Republic of China Department of Vascular and Endocrine Surgery Xijing HospitalThe Air Force Medical UniversityXi'an 710049People's Republic of China

Three-dimensional(3D) printing provides a promising way to fabricate biodegradable scaffolds with designer architectures for the regeneration of various ***,the existing3D-printed scaffolds commonly suffer from weak cell-scaffold interactions and insufficient cell organizations due to the limited resolution of the 3D-printed ***,composite scaffolds with mechanically-robust frameworks and aligned nanofibrous architectures are presented and hybrid manufactured by combining techniques of 3D printing,electrospinning,and unidirectional *** was found that the composite scaffolds provided volume-stable environments and enabled directed cellular infiltration for tissue *** particular,the nanofibrous architectures with aligned micropores served as artificial extracellular matrix materials and improved the attachment,proliferation,and infiltration of *** proposed scaffolds can also support the adipogenic maturation of adipose-derived stem cells(ADSCs)in ***,the composite scaffolds were found to guide directed tissue infiltration and promote nearby neovascularization when implanted into a subcutaneous model of rats,and the addition of ADSCs further enhanced their adipogenic *** presented hybrid manufacturing strategy might provide a promising way to produce additional topological cues within 3D-printed scaffolds for better tissue regeneration.

关键词： hybrid manufacturing 3D printing unidirectional freeze-casting nanofibrous architectures tissue regeneration

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：