dɔgɔyali ni lafiyali .
O suguya kelen suguya tiɲɛniw, volumetrique filling in solidification tɛ se ka kɛ, a cogoya dɔrɔn ani a kɛcogo yɔrɔ tɛ kelen ye.
shrinkage cavity .
A ka c’a la, fɛn min bɛ kɛ ka fɛnw sɔgɔ, o jɔli tɛ laban na, ka dingɛ dɔ dilan min bɛ i n’a fɔ tubu walima bolo min bɛ i n’a fɔ yɔrɔba{. dugukolo sanfɛla sɔgɔli dingɛw bɛ ye ɲɛ na, ani kɔnɔna dɔgɔyali yɔrɔw bɛ se ka sɔrɔ ni bonya sɛgɛsɛgɛli dɔgɔmanw ye.
Bɔnɛ
A ka c’a la, porow misɛnw ni jɛnsɛnnenw bɛ dendritew ni ɲɔgɔn cɛ, o bɛ na ni casting kɔnɔna jɔcogo ye. lajɔli min bɛ ye spektrum low-spektrum sɛgɛsɛgɛli la, o bɛ wele ko macroscopique looseness Lajɔli min bɛ se ka ye mikroskɔpu kɔrɔ, o bɛ kɛ microscopic lajɔli ye. microscopic lajɔli bɛ tila tuma caman na dendɛrɛw kɔnɔ dendɛrɛw ni ɲɔgɔn cɛ. ko juguw la, porow bɛ siri rezo la. ni funteni furakɛra, lafiya dingɛw dakunw bɛ kɛ dull ye ani cogoya ye lafiya ye{{5}
casting crack .
Solidifikasiyɔn kɛtuma na, k’a sababu kɛ dɔgɔyali dɔgɔyali ye, kɔnɔna degunba dɔ bɛ sɔrɔ dɔɔnin dɔɔnin a kɔnɔ, ani ka sɛgɛnlafiɲɛbɔ degun sɔrɔ ni parti degun tɛmɛna fanga dan kan. faraw minnu bɛ sɔrɔ funteni caman na, olu bɛ wele ko funteni caman ka faraw ye zigzag ye, ani ka yiriwa sumanw dancɛw la walima jirisunw na minnu bɛ wele ko farafinna walima dibi la, olu bɛ sɔrɔ ka faran ni dibi ye{{2} ye. kariw, a ka c’a la, u bɛ suman don, ani kariw kariw bɛ ni nɛgɛ yeelen ye.
