al{0}}si{1}}ni abstrait: Crystal al-Si alloy centrifugal casting conventionnelle kɔnɔ, Si particules, pores ani slag bɛna ɲɔgɔn sɔrɔ waati kelen na, ka SI fɛnɲɛnamafagalanw fanga bonya nɔ dɔgɔya layini yiriwali la{{3} walasa ka se ka nin gɛlɛya in labɛn, ani ka se ka Al{4}%ni{5{5{5{5{5{5{5{5{5{5{5{5{5{5{5{5{5{5{5{5{500) sɔrɔ. O fɛnɲɛnɛmaw, pores ani slag ɲagaminen gradient kɔnɔ. sɛgɛsɛgɛli caman sɛgɛsɛgɛli kɛcogo danfaralenw na, o b’a jira ko fanga cɛmancɛ la, fɛnɲɛnamafagalanw bɛna SI fɛnɲɛnamafagalanw ka SI fɛnɲɛnamafagalanw (Criscry fɛnɲɛnamafagalan fɔlɔ) dɔgɔya, ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ sababu ye ka fɛn dɔ kɛ min bɛ se ka kɛ sababu ye ka fɛn dɔ kɛ min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ sababu ye and refines the grains.(1) Each sample has different degrees of pores and slag clips. The pores and slag in the casting mainly come from the curgas and oxidation in the centrifugal forming process. With the solidification of the casting, the involved gas precipitation, due to its small density, will be biased to the inner layer of the cast together with the slag, thus forming a Nafaw layɛrɛ kɔnɔna yɔrɔ la, i n’a fɔ a jiralen bɛ cogo min na D ni E yɔrɔw la minnu jiralen don ja.(2) magɛnni-yɔrɔ in ka doncogo bɛ nafa sɔrɔ walasa ka fɛnɲɛnamafagalanw nɔrɔli dɔgɔya. i n’a fɔ a jiralen bɛ cogo min na ja la 4-1, a jɛlen don ko a bɛ se ka aglomerasi cogoya jira ni magɛnni-yɔrɔ tɛ. Fɛnɲɛnɛmaw ka ɲɔgɔnjɛ bɛ dɔgɔya kosɛbɛ, i n’a fɔ a jiralen bɛ cogo min na ja 4-2,4-3,4-4. (3) fɛnɲɛnamafagalanw bɛ polarize (polarize) ŋaniya jira kɛnɛma lamini na. fanga cɛmancɛ la, o yɔrɔw ye polarize (polarize) cogoya jɛlen jira ka taa kɛnɛma teliya la, ani ni san kɛmɛ ye, b, ch in figure 4-5,4-3,4-6,4-7,4-8.(4) fɛnɲɛnamafagalanw fanga bonya yɔrɔ danfara ka bɔ yɔrɔ nafama na. kɛnɛma lamini (a, b, c yɔrɔ) bɛ wele ko fɛnɲɛnamafagalanw fanga bonya yɔrɔ ka da a kan fɛn belebelebaw ka bon Kɔnɔna-yɔrɔ (D, E yɔrɔ) bɛ ni porow, slag ani fɛnɲɛnamafagalan misɛnninw caman ye, o min bɛ Weele ko defect area.
2.3 magnɛti foro nɔ min bɛ sɔrɔ jɛkulu mikroskɔpi la 7-9 ye misali layɛrɛw labɛncogo mikroskɔpi ye 1{{3}00 r/min ani sisan fanga la 0, 1{9}5a ani 2a. olu cɛma, si ani tissu nɛrɛlaman, SI ani nɛrɛlamanw{12 ani nɛrɛma NiAl3 largely gather, adhere and wrap together with each other. When there is no external magnetic field (i. e., current 0), the initial Si of the outer sample is smaller, the initial Si of the inner layer is larger than the outer layer, the size of the middle transition layer particles is between the inner and outer layers, the primary Si particles are mainly block in each layer, and the primary NiAl3 particles tɛ ye layɛrɛ kelen-kelen bɛɛ la, kɛrɛnkɛrɛnnenya la bloki ni janya sɛrɛkiliw minnu bonya tɛ kelen ye. magɛnni foro faralen ɲɔgɔn kan, sɛgɛsɛgɛlikɛlan kelen-kelen bɛɛ ka Si ni Nial3 tun bɛ nɔgɔya ka se degerew ma minnu tɛ kelen ye. ni magɛnni fanga ka dɔgɔ (sisan 1.5A), o kristalɛ fɔlɔ bɛ kɛ ka dɔgɔya ka bɔ bloki nɛgɛma na ka taa bloki lamininen na. Nial3 kristalɛ fɔlɔ fana bɛ nɔgɔya ka se hakɛ caman ma, wa bloki bɛ dɔgɔya, wa a janya bɛ kari ka kɛ blokiw ye. Ni magɛnni fanga ka bon (sisan 2A), layini kelen-kelen bɛɛ ka Si ni Nial3 fɔlɔ tɛ saniya tugun, wa hali Si ni Nial3 fɔlɔw bɛ bonya, Si bloki fɔlɔw bɛ bonya, ani Nial3 fɔlɔw bɛ bonya ka taa a fɛ.
