Talk:Annealing (glass)

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Sources for viscosity[edit]

The source Dr. Fay .V Tooley: "The Handbook Of Glass Manufacture", Volume II, page 804 mentiones values of 2.5*10^3 poises for the annealing point and 4*10^14 poises for the strain point which are slightly different than what mentioned in the article.

Sentence[edit]

The following sentence: ".....at which the glass is still too hard to deform, but is soft enough for the structure of the material to flow together." does not make any sense. If it is too hard to deform how can it "flow together"?Plantsurfer (talk) 00:06, 14 December 2007 (UTC)[reply]

You are right. I modified the sentence.--Afluegel (talk) 08:21, 14 December 2007 (UTC)[reply]

Merge?[edit]

See discussion here. — $Llywelyn II$ 03:40, 22 June 2015 (UTC)[reply]

Oppose: Annealing of glass and annealing of metals are the same in name only. Glass is annealed to relieve stress/strain. Metal is annealed to return it to a plastic, malleable state after work-hardening or heat treatment. Glass, on the other hand remains as hard and unyielding after annealing as it was before. Plantsurfer 09:39, 22 June 2015 (UTC)[reply]

Oppose Ignorance of subject matter and an overwhelming urge to do something important are not a good reason to start merging articles. The main justification at that link seems to be some sort of noble savage approach to knowledge, where the merge proposer is assumed right because they have deliberately not read the articles in order to keep their viewpoint unbiased. Andy Dingley (talk) 09:58, 22 June 2015 (UTC)[reply]

Sources for article expansion[edit]

For historical treatment, the EB9 and EB11 articles (which treat the metal and glass treatments together as a single article) are at

"Annealing" , Encyclopædia Britannica, 9th ed., Vol. II, New York: Charles Scribner's Sons, 1878, p. 63–64.
"Annealing, Hardening, and Tempering" , Encyclopædia Britannica, 11th ed., Vol. II, Cambridge: Cambridge University Press, 1911, p. 70–72.

— $Llywelyn II$ 03:39, 22 June 2015 (UTC)[reply]

Some interesting stuff there, but the language they used is so turgid.Plantsurfer 09:27, 22 June 2015 (UTC)[reply]

Also any materials science written before the 1930s about glass is likely to be wrong anyway. Andy Dingley (talk) 10:02, 22 June 2015 (UTC)[reply]

Stub to Start[edit]

Article was moved from Stub to Start status in the glass project because it has a significant amount of information, multiple references, and a separate group is already at C-status. In addition, removed stub tag in main article. Araesmojo (talk) 20:08, 23 October 2020 (UTC)[reply]