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Design for Inspectability: Investigating the Effect of Inspectability Constraints on Designs and Design Strategies.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Design for Inspectability: Investigating the Effect of Inspectability Constraints on Designs and Design Strategies./
作者:	Mahan, Tobias Jacob.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2021,
面頁冊數:	123 p.
附註:	Source: Dissertations Abstracts International, Volume: 83-03, Section: B.
Contained By:	Dissertations Abstracts International83-03B.
標題:	Defects. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28841691
ISBN:	9798460447275

Design for Inspectability: Investigating the Effect of Inspectability Constraints on Designs and Design Strategies.
Mahan, Tobias Jacob.

Design for Inspectability: Investigating the Effect of Inspectability Constraints on Designs and Design Strategies. - Ann Arbor : ProQuest Dissertations & Theses, 2021 - 123 p.

Source: Dissertations Abstracts International, Volume: 83-03, Section: B.

Thesis (Ph.D.)--The Pennsylvania State University, 2021.

This item must not be sold to any third party vendors.

Components manufactured with Additive Manufacturing (AM) can feature high levels of geometric, material, and functional complexity. Designers can use AM technologies to create components with more complexity than was possible with traditional manufacturing methods. However, highly complex components can be difficult to inspect using existing Non-Destructive Evaluation (NDE) methods. Professional organizations like the Additive Manufacturing Standardization Collaboration (AMSC) have suggested that designers should keep quality in mind during the early stages of design. The Design for Inspectability (DFI) Framework is proposed in this work to help designers consider quality early in design. Based on recommendations from AMSC, ultrasonic testing was selected as the first modality of NDE for which DfI considerations were developed. Through open and axial coding of literature, a set of DfI heuristics was developed for ultrasonic testing. These heuristics were organized into a design tool, the DfI worksheet, to facilitate design studies. First a controlled study with 12 designers from The Pennsylvania State University suggested that introducing DfI considerations may indeed help designers to increase the inspectability of designs. A second study with 20 designers was performed to determine what effect DfI considerations have on design outcomes. Quantitative methods, including static structural analysis of generated designs and simulation of ultrasonic wave propagation, were used to compare the design outcomes of designers introduced to DfI considerations to those in the control group. Results of this test suggest that design outcomes, including inspectability, may not be significantly impacted. Tools including the NASA Task Load Index (NASA-TLX), Linguistic Inquiry and Word Count (LIWC), and Hidden Markov Modelling were used to determine what effect introduction of DfI considerations would have on designers and the design process. Cognitive and design processes are impacted by the introduction of DfI considerations, with a decrease in cognitive processes likely contributing to changes in designer strategies. Continued development of the DfI framework is recommended to ensure designers can create components inspectable using existing NDE technologies.

ISBN: 9798460447275Subjects--Topical Terms:

3682384
Defects.
Subjects--Index Terms:

Additive manufacturing

Design for Inspectability: Investigating the Effect of Inspectability Constraints on Designs and Design Strategies.
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