Quarzausbruch

13:41 May 22, 2020
This question was closed without grading. Reason: Answer found elsewhere

German to English translations [PRO]
Tech/Engineering - Safety
German term or phrase: Quarzausbruch
Description of a possible error:

Beschreibung: Quarzausbruch am Stift
Mögliche Folgen: kann zu Frühausfall der Lampe führen.
Norm: nicht zulässig, wenn Grenze Folienkante überschritten wird.
Ausschuss sobald der Quarzausbruch am Stift bis Beginn der Folienkante geht.
Jonathan Spencer
Spain
Local time: 03:07


Summary of answers provided
3quartz bulb defects (craks, spalls, etc.)
Johannes Gleim


Discussion entries: 5





  

Answers


19 days   confidence: Answerer confidence 3/5Answerer confidence 3/5
quartz bulb defects (craks, spalls, etc.)


Explanation:
LIST OF DEFECTS IN GLASS
:
CRUSH / A lightly pitted area resulting in a dull grey appearance over the region.
DIGS / Deep, short scratches.
:
FIRE CRACKS / Small cracks penetrating the surface of the glass usually in the shape of short hooked crescents.
:
OPEN GASEOUS INCLUSIONS / Bubbles at the sur-face of glass that are open, leaving a cavity in the finished surface
:
SCRATCHES / Any marking or tearing of the surface appearing as though it had been done by either a sharp or rough instrument.
:
https://www.multiver.ca/doc/nosproduits/MULTIVER-Defauts_Ver...

Spall are flakes of a material that are broken off a larger solid body and can be produced by a variety of mechanisms, including as a result of projectile impact, corrosion, weathering, cavitation, or excessive rolling pressure (as in a ball bearing). Spalling and spallation both describe the process of surface failure in which spall is shed.
https://en.wikipedia.org/wiki/Spall

Crack frequently refers to:
• Crack, a fracture or discontinuation in a body
• Crack, in geology, a fracture (geology) in a rock
https://en.wikipedia.org/wiki/Crack

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Note added at 19 days (2020-06-11 11:19:38 GMT)
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Other defects like scratches or scuffs:

Im a beginner ,my ordered HPS bulb is a little bit scratched in couple places at the top of the outer glass.
:
I've seen small scuffs and scratches on a lot of bulbs over the years. Should be fine.
https://www.thcfarmer.com/threads/scratched-outer-glass-hps-...

Johannes Gleim
Local time: 03:07
Specializes in field
Native speaker of: German
PRO pts in category: 4
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