Integration of manufacturing-induced properties in product design

Groche, Peter; Schmitt, Wolfram; Bohn, Andrea; Gramlich, Sebastian; Ulbrich, Stefan; Günther, Ute

doi:10.1016/j.cirp.2012.03.041

Cited by 21 publications

(16 citation statements)

References 10 publications

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“…Metal forming technologies have inherent potentials for innovative products based on the product properties which are significantly influenced or modified during manufacturing processes by specific technologies (manufacturing-induced properties) [72]. Therefore, aside from the geometric properties, that are usually targeted in the design process, the microscopic and material properties need to be focused on as well to tap the full technological potential.…”

Section: Integration Of Manufacturing-induced Properties In Product Dmentioning

confidence: 99%

“…56, DfM result in time consuming iterations that mainly affect the detail design and sometimes the embodiment design. The effect on determining the conceptual design is usually irrelevant [72].…”

Section: Classical Product Development and Design Approachesmentioning

confidence: 99%

“…Because the focus is placed on the product function, the final conceptual design is only marginally affected by the manufacturing. Manufacturing technology aspects and information about the achievable product properties are incorporated only in later stages of the product design process, i.e., in the embodiment and the detail design [70,72]. Here, the manufacturing technologies are considered in terms of design rules and guidelines [60,177].…”

Section: Classical Product Development and Design Approachesmentioning

confidence: 99%

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Metal forming beyond shaping: Predicting and setting product properties

et al. 2015

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Section: Integration Of Manufacturing-induced Properties In Product Dmentioning

confidence: 99%

Section: Classical Product Development and Design Approachesmentioning

confidence: 99%

Section: Classical Product Development and Design Approachesmentioning

confidence: 99%

See 1 more Smart Citation

Metal forming beyond shaping: Predicting and setting product properties

et al. 2015

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“…Therefore, further investigations are required to probe the deformation mechanisms during the process to understand and facilitate modeling of the evolution of local properties. On the other hand, a generalized description of characteristic manufacturing induced properties which are more or less independent of the exact chemical composition or the processing parameters in detail would also be a great benefit [18]. Though certainly less precise than modeling approaches based on deformation mechanisms, such a description could help to exploit the lightweight potential in industrial product development processes where advanced material modeling such as VPSC or crystal plasticity approaches are usually not available or too expensive.…”

Section: History and Future Trends For Flow Splitting And Bend Splittingmentioning

confidence: 99%

“…Based on the similarity of the results obtained from different geometries and materials it seems to be a reasonable approach to run an empirical analysis on the relation between the mechanical properties in the as received condition and the hardness distribution after LFS or LBS. A lower bound approximation for the expected increase in strength would be an easy but efficient tool for the product development that could help to take more advantage of the light weight potential of the processes without going through the effort of producing and characterizing prototypes [18].…”

Section: Characteristic Properties In Lfs and Lbs Profilesmentioning

confidence: 99%

Integral sheet metal design via severe plastic deformation – state of the art and future challenges

Bruder

Kaune

Müller

2014

IOP Conf. Ser.: Mater. Sci. Eng.

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Abstract. The innovative forming processes Linear Flow Splitting (LFS) and Linear Bend Splitting (LBS) were developed to facilitate the continuous production of branched profiles with tailored sheet thickness by inducing severe plastic strain. In contrast to most SPD processes the stress state in LFS and LBS is very complex and plastic deformation is confined to limited volumes which results in steep strain gradients and consequently ultrafine grained (UFG) gradient microstructures. Even though the processes have been commercialized, the increased lightweight potential that originates from the local grain refinement remains mostly idle since it is neither fully understood nor easily assessable yet. The present work shows the state of the art for the LFS and LBS processes and compares the microstructures and distribution of mechanical properties for different steels processed with different LFS parameters. The data is used to identify characteristic manufacturing induced properties that are insensitive to processing parameters. Based on the experimental results a material flow model for the processing zone is proposed which is discussed with respect to the current understanding of plasticity at severe strains.Keywords: Surface Severe Plastic Deformation, Work Hardening, Linear Flow Splitting, Linear Bend Splitting, Gradient Microstructures IntroductionThe use of Severe Plastic Deformation (SPD) as top down approach to refine microstructures of metals and alloys to the submicron range has been investigated extensively during the last decades [1][2][3]. Aside from the scientific interest in fundamental research on plasticity phenomena at large strains, there is also a strong technological interest in these processes which is driven by the exceptional mechanical properties that are associated with the presence of ultrafine grained (UFG) microstructures [1]. Even though high strength materials are needed for a wide range of commercial applications where lightweight design is mandatory, the commercial success of SPD processes is rather limited so far [4]. The main reason for this are most likely the high processing costs of the predominantly discontinuous SPD processes but there is also a strong competition from materials based on modern alloy design and thermo-mechanical processing [5]. However, the Linear Flow Splitting (LFS) and Linear Bend Splitting (LBS) processes that are reviewed in the present paper demonstrate that UFG microstructures by SPD and commercial success in mass markets are no antagonisms. The LFS and LBS processes also referred to as split profiling and split bending have an exceptional position in the field of SPD. In contrast to conventional SPD processes their primary objective is not the generation of UFG microstructures while retaining the initial shape of the workpiece but the production of branched profiles from plain sheet metal [6][7][8]. However, since LFS and LBS induce severe strains under high hydrostatic compressive stresses they generate UFG microstructures by the same mechanisms [9]...

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Manufacturing‐integrated product solutions: Design support between product function and manufacturing processes

Roos

Wagner

Martins

et al. 2017

Materialwissenschaft Werkst

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With the help of new design tools, manufacturing‐integrated solutions can be generated that concurrently consider function and process. Based on the design pattern matrix, solution elements can be developed that realize the product function by systematically utilizing manufacturing‐induced properties. The developed manufacturing‐integrated product solutions are refined using computer‐aided methods (feature‐based modeling and information modeling). A product embodiment is generated that is specifically tailored to the chosen manufacturing technology. An integrated information model allows the introduced tools to be used throughout the entire development process. The example of a linear flow split snap‐fit fastening illustrates how the tools beneficially interact and realize manufacturing potential, resulting in an innovative product design.

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Integration of manufacturing-induced properties in product design

Cited by 21 publications

References 10 publications

Metal forming beyond shaping: Predicting and setting product properties

Metal forming beyond shaping: Predicting and setting product properties

Integral sheet metal design via severe plastic deformation – state of the art and future challenges

Manufacturing‐integrated product solutions: Design support between product function and manufacturing processes

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