cuppinessn.
/ˈkʌpɪnɪs/ Metallurgy.
The state or condition of being cuppy (see cuppy adj.2 c).
ΘΚΠ
society > occupation and work > materials > derived or manufactured material > metal > qualities of metals > [noun] > imperfections > weakness from internal cavities
cupping1925
cuppiness1927
1927 Jrnl. Iron & Steel Inst. 115 453 It may be contended that this ‘cuppiness’ can be somewhat obviated by taking very light drafts.
1932 E. Gregory Metall. ii. 54 Axial segregation gives rise to the formation of internal flaws and ‘cuppiness’ in wire-drawing.
1949 R. T. Rolfe Dict. Metallogr. (ed. 2) 65 Cuppiness or cupping...is due to excessive cold working before further annealing, the exterior skin..being..enabled to withstand a much greater deformation than the unsupported interior metal, in which failure first occurs.
This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2018).
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