Advances in Industrial and Manufacturing Engineering最新文献

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Effect of multi-pass friction stir processing and SiC nanoparticles on microstructure and mechanical properties of AA6082-T6 多道次搅拌摩擦处理和SiC纳米颗粒对AA6082-T6显微组织和力学性能的影响
Advances in Industrial and Manufacturing Engineering Pub Date : 2021-11-01 DOI: 10.1016/j.aime.2021.100062
Husain Mehdi, R.S. Mishra
{"title":"Effect of multi-pass friction stir processing and SiC nanoparticles on microstructure and mechanical properties of AA6082-T6","authors":"Husain Mehdi,&nbsp;R.S. Mishra","doi":"10.1016/j.aime.2021.100062","DOIUrl":"10.1016/j.aime.2021.100062","url":null,"abstract":"<div><p>In this work, aluminum matrix composite (AMC) was successfully fabricated by multi-pass friction stir processing (MPFSP) with nanoparticles SiC. A constant rotational tool speed of 1350, feed rate of 65 mm/min, tilt angle of 2° was used to enhance the microstructure and mechanical properties of multi-pass FSP/SiC of AA6082-T6. It can be observed that Nanoparticles SiC were fragmented totally and uniformly distributed in fifth pass FSP. Agglomeration of SiC decreases with increases in the number of passes. The ultimate tensile strength (UTS) of base metal AA6082 exhibited 215.54 MPa, and % strain of 24.91. After implementing multi-pass FSP with nanoparticles of SiC on the AA6082, the UTS was enhanced simultaneously as the FSP pass increases. The UTS of 1st pass, 2nd pass, 3rd pass, 4th pass, and 5th pass was observed as 223.61 MPa, 238.37 MPa, 255.63 MPa, 281.79 MPa and 296.86 MPa, respectively caused by strain-free fine grains during dynamic recrystallization (DRX) mechanism. In contrast, Vickers's hardness value along the centerline (stir zone) was observed as 89, 101, 119, 125, 133 HV with 1st pass, 2nd pass, 3rd pass, 4th pass, and 5th pass respectively.</p></div>","PeriodicalId":34573,"journal":{"name":"Advances in Industrial and Manufacturing Engineering","volume":"3 ","pages":"Article 100062"},"PeriodicalIF":0.0,"publicationDate":"2021-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666912921000325/pdfft?md5=91c8e606c1a2575455bbe30dbb9f1cb2&pid=1-s2.0-S2666912921000325-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41506754","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 31
Human-robot collaborative systems: Structural components for current manufacturing applications 人机协同系统:当前制造应用的结构组件
Advances in Industrial and Manufacturing Engineering Pub Date : 2021-11-01 DOI: 10.1016/j.aime.2021.100060
Pablo Segura , Odette Lobato-Calleros , Alejandro Ramírez-Serrano , Isidro Soria
{"title":"Human-robot collaborative systems: Structural components for current manufacturing applications","authors":"Pablo Segura ,&nbsp;Odette Lobato-Calleros ,&nbsp;Alejandro Ramírez-Serrano ,&nbsp;Isidro Soria","doi":"10.1016/j.aime.2021.100060","DOIUrl":"https://doi.org/10.1016/j.aime.2021.100060","url":null,"abstract":"<div><p>The implementation of human-robot collaborative systems in industrial environments have widely extended during the last five years, from manufacturing applications reproduced in laboratory facilities or digital simulations to real automotive shop floors. Commonly, one way to guide their design has been through the adoption of international standards focused solely on the safe operation of collaborative robots. The main objective of this paper is the identification of basic components comprising human-robot collaborative systems design. This is supported by two steps, 1) Provide an extensive compendium of current applications and components within a varied set of manufacturing sectors and tasks. 2) Based on the latter, propose a selection of “structural components” for collaborative work. We conceptualized structural components as the organizational and technological alternatives necessary to fulfil the basic requirements and functionalities of human-robot collaborative systems. This document presents a systematic literature review that includes 50 exemplary case studies implemented in different manufacturing environments throughout the last five years praxis (2016–2020). Four structural components were identified in this paper: interaction levels, work roles, communication interfaces and safety control modes. Furthermore, it was found that physical contact-based collaboration for screwing assembly of small-sized parts and material handling of heavyweight objects are suitable applications for the automotive industry. Moreover, certified augmented and virtual reality devices were highlighted as convenient assistive technologies for safety and training manufacturing needs. The presented categorization will allow practitioners on selecting settings of compatible structural components that could respond better to trendy manufacturing requirements searching for highly personalized products.</p></div>","PeriodicalId":34573,"journal":{"name":"Advances in Industrial and Manufacturing Engineering","volume":"3 ","pages":"Article 100060"},"PeriodicalIF":0.0,"publicationDate":"2021-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.aime.2021.100060","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72266816","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
The concept of digital twin used to investigate geometrical variations in the production of pipe spools 数字孪生的概念用于研究管线轴生产中的几何变化
Advances in Industrial and Manufacturing Engineering Pub Date : 2021-11-01 DOI: 10.1016/j.aime.2021.100054
Thiago L. Fernandes , Crhistian R. Baldo , Gustavo D. Donatelli
{"title":"The concept of digital twin used to investigate geometrical variations in the production of pipe spools","authors":"Thiago L. Fernandes ,&nbsp;Crhistian R. Baldo ,&nbsp;Gustavo D. Donatelli","doi":"10.1016/j.aime.2021.100054","DOIUrl":"10.1016/j.aime.2021.100054","url":null,"abstract":"<div><p>The fourth industrial revolution comprises the digital transformation of manufacturing by means of an intensive integration of advanced information and communication technologies. The possibility of creating interactive virtual replicas of the physical entities to predict and detect physical issues and optimize processes is one of the key benefits of the manufacturing digitization. In the oil and gas industry, one of the essential activities that can take advantage of innovative digital technologies is the geometrical quality assurance of pipe spools. In this sense, this work focuses on the development of digital twins of pipe spools that embrace attributes of their physical counterparts to manage dimensional variation and to assist the geometrical quality assurance process. Based on data available in the design stage of the product realization loop, i.e., dimensional tolerance, it was possible to estimate the process capability and to predict, by sensitivity analysis, the behavior of the spool elements when assembling them to each other.</p></div>","PeriodicalId":34573,"journal":{"name":"Advances in Industrial and Manufacturing Engineering","volume":"3 ","pages":"Article 100054"},"PeriodicalIF":0.0,"publicationDate":"2021-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.aime.2021.100054","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47812064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Erratum regarding missing Declaration of competing interest statements in previously published articles 关于先前发表的文章中缺少竞争利益声明的勘误表
Advances in Industrial and Manufacturing Engineering Pub Date : 2021-11-01 DOI: 10.1016/j.aime.2021.100063
{"title":"Erratum regarding missing Declaration of competing interest statements in previously published articles","authors":"","doi":"10.1016/j.aime.2021.100063","DOIUrl":"https://doi.org/10.1016/j.aime.2021.100063","url":null,"abstract":"","PeriodicalId":34573,"journal":{"name":"Advances in Industrial and Manufacturing Engineering","volume":"3 ","pages":"Article 100063"},"PeriodicalIF":0.0,"publicationDate":"2021-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666912921000337/pdfft?md5=75e96d5c92df85f64820250902a8b1ed&pid=1-s2.0-S2666912921000337-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136924920","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analysis of stress influence and plastic strain on magnetic properties during the forming process 成形过程中应力和塑性应变对磁性能的影响分析
Advances in Industrial and Manufacturing Engineering Pub Date : 2021-11-01 DOI: 10.1016/j.aime.2021.100053
Robert Laue , Frank Wendler , Sebastian Härtel , Olfa Kanoun , Birgit Awiszus
{"title":"Analysis of stress influence and plastic strain on magnetic properties during the forming process","authors":"Robert Laue ,&nbsp;Frank Wendler ,&nbsp;Sebastian Härtel ,&nbsp;Olfa Kanoun ,&nbsp;Birgit Awiszus","doi":"10.1016/j.aime.2021.100053","DOIUrl":"10.1016/j.aime.2021.100053","url":null,"abstract":"<div><p>The aim of this paper is to analyze the relation between magnetic and mechanical properties during and after forming processes. For this purpose, several tensile tests were carried out on sheet metal samples up to a defined plastic strain. The specimens were left in the clamping device in order to relieve the force in several steps until the specimen was completely relieved. As a consequence, the gradual relief leads to a reduction of internal stress states. During the forming process, the initial magnetic relative permeability and magnetic anisotropy of the sample were measured several times. Both properties are related to the mechanical states in the material through the effects of magnetic embrittlement and magneto-elasticity. The plastic strain of the specimens was determined by optical measurements and the stresses in the measurement range during the tensile test was determined with the help of a subsequent numerical simulation. This made it possible for the first time to measure the magnetic properties of samples with different plastic strain and different stress states. The evaluation shows that there is a strong correlation between permeability and plastic strain as well as anisotropy and stress. Based on these findings, it has been confirmed, that the determination of the plastic strain by a soft sensor is possible.</p></div>","PeriodicalId":34573,"journal":{"name":"Advances in Industrial and Manufacturing Engineering","volume":"3 ","pages":"Article 100053"},"PeriodicalIF":0.0,"publicationDate":"2021-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.aime.2021.100053","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113005076","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Model approaches for closed-loop property control for flow forming 流动成形闭环特性控制的模型方法
Advances in Industrial and Manufacturing Engineering Pub Date : 2021-11-01 DOI: 10.1016/j.aime.2021.100057
Markus Riepold , Bahman Arian , Julian Rozo Vasquez , Werner Homberg , Frank Walther , Ansgar Trächtler
{"title":"Model approaches for closed-loop property control for flow forming","authors":"Markus Riepold ,&nbsp;Bahman Arian ,&nbsp;Julian Rozo Vasquez ,&nbsp;Werner Homberg ,&nbsp;Frank Walther ,&nbsp;Ansgar Trächtler","doi":"10.1016/j.aime.2021.100057","DOIUrl":"10.1016/j.aime.2021.100057","url":null,"abstract":"<div><p>The implementation of control systems in metal forming processes improves product quality and productivity. By controlling workpiece properties during the process, beneficial effects caused by forming can be exploited and integrated in the product design. The overall goal of this investigation is to produce tailored tubular parts with a defined locally graded microstructure by means of reverse flow forming. For this purpose, the proposed system aims to control both the desired geometry of the workpiece and additionally the formation of strain-induced α′-martensite content in the metastable austenitic stainless steel AISI 304 L. The paper introduces an overall control scheme, a geometry model for describing the process and changes in the dimensions of the workpiece, as well as a material model for the process-induced formation of martensite, providing equations based on empirical data. Moreover, measurement systems providing a closed feedback loop are presented, including a novel softsensor for in-situ measurements of the martensite content.</p></div>","PeriodicalId":34573,"journal":{"name":"Advances in Industrial and Manufacturing Engineering","volume":"3 ","pages":"Article 100057"},"PeriodicalIF":0.0,"publicationDate":"2021-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.aime.2021.100057","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"97374621","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Modeling and exploiting the strip tension influence on surface imprinting during temper rolling of cold-rolled steel 模拟并研究冷轧钢回火轧制过程中带钢张力对表面压痕的影响
Advances in Industrial and Manufacturing Engineering Pub Date : 2021-11-01 DOI: 10.1016/j.aime.2021.100045
Xinyang Li , Christopher Schulte , Dirk Abel , Marco Teller , Gerhard Hirt , Johannes Lohmar
{"title":"Modeling and exploiting the strip tension influence on surface imprinting during temper rolling of cold-rolled steel","authors":"Xinyang Li ,&nbsp;Christopher Schulte ,&nbsp;Dirk Abel ,&nbsp;Marco Teller ,&nbsp;Gerhard Hirt ,&nbsp;Johannes Lohmar","doi":"10.1016/j.aime.2021.100045","DOIUrl":"10.1016/j.aime.2021.100045","url":null,"abstract":"<div><p>To produce cold-rolled steel strips with specific mechanical properties and surface roughness typically temper rolling is adopted. In most cases, a uniform roughness pattern on the strip surface is mandatory. Due to the wear of the textured work rolls, their surface roughness (<span><math><mrow><mi>R</mi><mi>a</mi></mrow></math></span>) continuously reduces during the process, which should be accounted for process control. However, conventional temper rolling systems fail to guarantee a uniform surface roughness. In this work, the influence of strip tension on the imprinting of surface roughness during temper rolling is analyzed based on a multi-scale FE modeling concept to explore new ways for surface roughness control. This is done in simulation where, a macroscopic rolling model incorporating strip tension is coupled to a mesoscopic imprinting model and both models are validated using copper rolling trials. The influence of different thickness reductions, strip tensions and incoming strip's surface roughness on imprinting is modeled and compared. The numerical results reveal that a higher strip tension decreases the roughness transfer, which presents potential to control the roughness transfer ratio without changing other process parameters like the prescribed thickness reduction in the future.</p></div>","PeriodicalId":34573,"journal":{"name":"Advances in Industrial and Manufacturing Engineering","volume":"3 ","pages":"Article 100045"},"PeriodicalIF":0.0,"publicationDate":"2021-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.aime.2021.100045","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"95086724","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Glass precision micro-cutting using spark assisted chemical engraving 玻璃精密微切割使用火花辅助化学雕刻
Advances in Industrial and Manufacturing Engineering Pub Date : 2021-11-01 DOI: 10.1016/j.aime.2021.100056
Lucas Abia Hof , Rolf Wuthrich
{"title":"Glass precision micro-cutting using spark assisted chemical engraving","authors":"Lucas Abia Hof ,&nbsp;Rolf Wuthrich","doi":"10.1016/j.aime.2021.100056","DOIUrl":"10.1016/j.aime.2021.100056","url":null,"abstract":"<div><p>Manufacturing industry faces new challenges with the emergence of the need for the production of small batches of personalized parts. Such production methods demand for a capability to integrate multiple machining operations in one manufacturing process to reduce setup and calibration time and tooling costs. This requirement is especially challenging for difficult-to-machine materials such as glass, since there exist only a limited number of glass machining technologies and further these technologies often require specialized tooling. Glass cutting is among the crucial machining operations, which is frequently required for glass products.</p><p>The presented study discusses free-form micro-cutting by Spark Assisted Chemical Engraving (SACE), determining cut parameters, in terms of tool feed-rate F and depth-of-cut p in function of machining voltage. A simple model is discussed allowing to predict the maximal product <span><math><mrow><mi>F</mi><mo>⋅</mo><mi>p</mi></mrow></math></span> which can be used to cut glass by SACE. The presented data and model allow to reduce the time-consuming trial and error process in determining appropriate cutting parameters. An interesting finding is that lowest cutting times can be achieved with tools of 100-μm diameter. Cut surface roughness of initial cuts can be reduced by deploying subsequently incremental finishing (polishing) passes performed at lower machining voltage, lower tool feed rates and higher angular tool rotation. It is demonstrated that very smooth cut surfaces (Rz ~ 1 μm) can be achieved.</p></div>","PeriodicalId":34573,"journal":{"name":"Advances in Industrial and Manufacturing Engineering","volume":"3 ","pages":"Article 100056"},"PeriodicalIF":0.0,"publicationDate":"2021-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.aime.2021.100056","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"98321161","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Fast, lean-and-agile, multi-parameter multi-trending robust quality screening in a 3D-printed product 在3d打印产品中快速,精益和敏捷,多参数多趋势健壮的质量筛选
Advances in Industrial and Manufacturing Engineering Pub Date : 2021-11-01 DOI: 10.1016/j.aime.2021.100051
George Besseris
{"title":"Fast, lean-and-agile, multi-parameter multi-trending robust quality screening in a 3D-printed product","authors":"George Besseris","doi":"10.1016/j.aime.2021.100051","DOIUrl":"10.1016/j.aime.2021.100051","url":null,"abstract":"<div><p>Additive manufacturing (AM) has revolutionized the local production realization of highly customizable items. However, the high process complexity - inherent to AM operations - renders uncertain the quality performance of the final products. Consequently, there is often a need to assess the unique fabrication capabilities of AM against the reoccurring issues of process instability and end-product inconsistency. Improvement opportunities may be identified by empirically exploring the complex phenomena that regulate the quality performance of the final products. Thus, focused quality-screening and process optimization studies should additionally take into account the special need for speedy, practical and economical experimentation. Robust multi-factorial solvers should predict effect strength by relying on small samples while possibly dealing with non-linear and non-normal trends. We propose a nonparametric modification to the classical Taguchi method in order to enable the generation of rapid and robust screening/optimization predictions for an arbitrary 3D-printing process. The new methodology is elucidated in a recently published dataset that involves the difficult Taguchi screening/optimization application of a fused deposition process. We compare differences in the predicted effect-strength magnitudes between the two approaches. We comment on the practical advantages that the new technique might offer over the traditional Taguchi-based improvement analysis. The emphasis is placed on the ‘assumption-free’ aspect, which is embodied in the new solver. It is shown that the proposed tool is agile. It could also reliably support a customized 3D-printing process by offering robust and faster quality improvement predictions.</p></div>","PeriodicalId":34573,"journal":{"name":"Advances in Industrial and Manufacturing Engineering","volume":"3 ","pages":"Article 100051"},"PeriodicalIF":0.0,"publicationDate":"2021-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.aime.2021.100051","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"107652867","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Developing a camera-based measuring system to feedback control the fibre orientation for the braiding process of CFRP 开发了一种基于相机的CFRP编织过程纤维取向反馈控制系统
Advances in Industrial and Manufacturing Engineering Pub Date : 2021-11-01 DOI: 10.1016/j.aime.2021.100059
Ben Vollbrecht, Christina Kohler, Martin Kolloch, Fabian Jung, Niels Grigat, Thomas Gries
{"title":"Developing a camera-based measuring system to feedback control the fibre orientation for the braiding process of CFRP","authors":"Ben Vollbrecht,&nbsp;Christina Kohler,&nbsp;Martin Kolloch,&nbsp;Fabian Jung,&nbsp;Niels Grigat,&nbsp;Thomas Gries","doi":"10.1016/j.aime.2021.100059","DOIUrl":"10.1016/j.aime.2021.100059","url":null,"abstract":"<div><p>Quality control systems are inevitable in the production of safety-relevant, textile composites. In the industry, predominantly optical measuring procedures, so-called Machine Vision Systems (MVS), became generally accepted. A critical quality feature of textile structures is the carrying capacity of loads, which requires an orientation of the fibre in the direction of the load. To control the braiding angle, which determines the orientation of the fibre in braids, a feedback control system can be used. The deviation from the target angle is directly correlated to the time span between the formation and the measurement of the braiding angle, the so-called dead band. Therefore, the objective is to reduce the dead band by measuring the braiding angle with a MVS near the braiding point. This work describes and evaluates an approach to minimize the dead band by utilising a mathematical description of the braiding process to determine the origin of the braiding angle while tackling the difficulty of the convergence zone in the braiding process.</p></div>","PeriodicalId":34573,"journal":{"name":"Advances in Industrial and Manufacturing Engineering","volume":"3 ","pages":"Article 100059"},"PeriodicalIF":0.0,"publicationDate":"2021-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.aime.2021.100059","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"100764133","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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