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中文 Glossary of defined terms

Measurement protocols

Every number elsewhere on this site is produced by one of the procedures below. Each names its instruments, sampling table, repeat count and environment control, so a figure can be argued with rather than trusted.

P-01 blind cold-throw panel

p-cold-throw-panel
Method
Five-panellist blind sniff panel, trimmed mean of five scores
Repeats
4×
Instruments used
4
Date
2026-08-19
  • Cold throw, 1-5
  • Hot throw, 1-5
  • Panel agreement, SD

Protocols cited: 1

P-06 four-hour burn session

p-burn-session
Method
Capped multi-session burn with hourly dimensional readings
Repeats
3×
Instruments used
5
Date
2026-08-25
  • Pool diameter, mm
  • Flame height, mm
  • Consumption, g/h
  • Soot index, 0-10

Protocols cited: 4

P-02 melt envelope by capillary and DSC

p-melt-envelope-sampling
Method
Capillary melt band in a stirred bath, cross-checked by differential scanning calorimetry
Repeats
3×
Instruments used
5
Date
2026-09-21
  • Solidus, C
  • Slab temperature, C
  • Clear point, C
  • DSC peak temperatures, C

P-03 shrinkage by cast cylinder

p-shrinkage-cast
Method
Cast steel cylinder, dimensional measurement at three cooling stages
Repeats
3×
Instruments used
5
Date
2026-09-29
  • Shrinkage at 21 C, %
  • Intermediate shrinkage at 4 C, %
  • Wick-well void depth, mm

Protocols cited: 1

P-04 needle penetration at 25 C

p-needle-penetration
Method
Weighted needle penetration into a conditioned cast disc, median of five drops
Repeats
5×
Instruments used
4
Date
2026-10-09
  • Needle penetration at 25 C, 0.1 mm
  • Drop spread, 0.1 mm
  • Needle penetration at 35 C, 0.1 mm