Lesson plan
Armstrong process
The Armstrong process is used to refine titanium. Its output is particle-sized dust which can be sprayed into pattern-molds. It was patented in 1999. The output of this process has a "coral-like morphology", which differs from the traditional outputs like "spherical gas-atomized powder, mechanically crushed angular particles, or the titanium sponge morphology created during the Kroll process."
Article summary
The Armstrong process is used to refine titanium. Its output is particle-sized dust which can be sprayed into pattern-molds. It was patented in 1999. The output of this process has a "coral-like morphology", which differs from the traditional outputs like "spherical gas-atomized powder, mechanically crushed angular particles, or the titanium sponge morphology created during the Kroll process."
Key claims
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.