: Indicates a version of the video featuring English Subtitles .
: The "Min" in the title might suggest that the content has been edited to be more concise or minimal, possibly indicating a shorter version, a highlight reel, or a summarized version of a larger work. JUFE-131 ENGSUB02-02-03 Min -FREE-
Curriculum Development Team, Faculty of Engineering, Jilin University of Finance & Economics (JUFE) Date: 12 April 2026 : Indicates a version of the video featuring
Upon review, [insert your analysis or thoughts on the content]. | Segment | Approx
| Segment | Approx. Time | Core Topics | |---------|--------------|-------------| | | Intro & motivation | Real‑world pressures (price spikes, ESG mandates), why “substitution” matters today. | | 1:30 – 4:00 | Conceptual framework | Formal definition, taxonomy (material, geometric, functional, process substitution). | | 4:00 – 7:00 | Drivers & constraints | Economic (NPV, ROI), performance (strength, fatigue), sustainability (carbon footprint), legal (REACH, RoHS). | | 7:00 – 10:00 | Decision‑making toolset | Substitution Decision Matrix – scoring criteria, weighting, and threshold analysis. | | 10:00 – 13:00 | Case study walk‑through | Example: replacing a conventional steel gear housing with a polymer‑reinforced composite. Includes data tables, SDM scoring, and a quick cost‑benefit snapshot. | | 13:00 – 14:30 | Risk & validation | Failure‑mode analysis, supplier qualification, prototype testing protocols. | | 14:30 – 15:00 | Recap & further resources | Summary of key take‑aways, links to deeper dive modules (JUFE‑231, JUFE‑332). |