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- Season_cracking abstract "Season cracking is a form of stress-corrosion cracking of brass cartridge cases originally reported from British forces in India. During the monsoon season, military activity was temporarily reduced, and ammunition was stored in stables until the dry weather returned. Many brass cartridges were subsequently found to be cracked, especially where the case was crimped to the bullet. It was not until 1921 that the phenomenon was explained by Moor, Beckinsale and Mallinson: ammonia from horse urine, combined with the residual stress in the cold-drawn metal of the cartridges, was responsible for the cracking.Season cracking is characterised by deep brittle cracks which penetrate into affected components. If the cracks reach a critical size, the component can suddenly fracture, sometimes with disastrous results. However, if the concentration of ammonia is very high, then attack is much more severe, and attack over all exposed surfaces occurs. The problem was solved by annealing the brass cases after forming so as to relieve the residual stresses.".
- Season_cracking thumbnail Brass_SCC2.jpg?width=300.
- Season_cracking wikiPageExternalLink www.npl.co.uk-lmm-docs-stress.pdf.
- Season_cracking wikiPageExternalLink Eight.htm.
- Season_cracking wikiPageExternalLink CA6458214.html.
- Season_cracking wikiPageExternalLink Summer99.htm.
- Season_cracking wikiPageID "15668833".
- Season_cracking wikiPageRevisionID "545140627".
- Season_cracking hasPhotoCollection Season_cracking.
- Season_cracking subject Category:Corrosion.
- Season_cracking subject Category:Engineering_concepts.
- Season_cracking subject Category:Firearm_safety.
- Season_cracking subject Category:Reliability_engineering.
- Season_cracking subject Category:Safety.
- Season_cracking type Abstraction100002137.
- Season_cracking type Cognition100023271.
- Season_cracking type Concept105835747.
- Season_cracking type Content105809192.
- Season_cracking type EngineeringConcepts.
- Season_cracking type Idea105833840.
- Season_cracking type PsychologicalFeature100023100.
- Season_cracking comment "Season cracking is a form of stress-corrosion cracking of brass cartridge cases originally reported from British forces in India. During the monsoon season, military activity was temporarily reduced, and ammunition was stored in stables until the dry weather returned. Many brass cartridges were subsequently found to be cracked, especially where the case was crimped to the bullet.".
- Season_cracking label "Crique saisonnière".
- Season_cracking label "Season cracking".
- Season_cracking sameAs Crique_saisonnière.
- Season_cracking sameAs m.03np3jd.
- Season_cracking sameAs Q3002685.
- Season_cracking sameAs Q3002685.
- Season_cracking sameAs Season_cracking.
- Season_cracking wasDerivedFrom Season_cracking?oldid=545140627.
- Season_cracking depiction Brass_SCC2.jpg.
- Season_cracking isPrimaryTopicOf Season_cracking.