公开(公告)号：KR1020040027263A

公开(公告)日：2004-04-01

申请号：KR1020030013498

申请日：2003-03-04

Applicant: 학교법인연세대학교

Inventor： 홍준표 ,  김재민 ,  김민수 ,  마사유끼이타무라

IPC: B22D27/02

CPC classification number: B22D27/02 ,  B22D17/007 ,  B22D27/04 ,  C22C1/005

Abstract: PURPOSE: A metallic material for rheocasting or thixoforming is provided which is manufactured by cooling the molten metal after injecting molten metal into a contained under the electromagnetic field, and a method for manufacturing the metallic material for rheocasting or thixoforming is provided. CONSTITUTION: The method for manufacturing a metallic material for rheocasting or thixoforming comprises a step of injecting molten metal into the container after impressing electromagnetic field to a container; and a step of forming a metallic material for rheocasting or thixoforming by cooling the molten metal, wherein the electromagnetic field is impressed to the container before the molten metal is injected into the container, wherein the electromagnetic field is impressed to the container at the same time when the molten metal is injected into the container, wherein the electromagnetic field is impressed to the container while the molten metal is being injected into the container, wherein impression of the electromagnetic field is finished at a time when a solid phase ratio of the molten metal reaches 0.001 to 0.7, wherein the metallic material is metallic slurry or billet type, wherein temperature of the molten metal during injection of the molten metal is higher than liquidus temperature of the molten metal, and it is the same as or less than the liquidus temperature + 100 deg.C, wherein the method further comprises the step of secondly forming the metallic material after the cooling step, and wherein the cooling step comprises the step of cooling the molten metal until the molten metal reaches a solid phase ratio of 0.1 to 0.7.

Abstract translation: 目的：提供一种用于流延或触变成型的金属材料，其通过在将熔融金属注入到电磁场中所包含的内部之间冷却熔融金属而制造，并且提供了用于制造用于流延或触变形成的金属材料的方法。 构成：用于制造用于流延或触变成型的金属材料的方法包括在向容器施加电磁场之后将熔融金属注入容器的步骤; 以及通过冷却熔融金属形成用于流延或触变形成的金属材料的步骤，其中在将熔融金属注入容器之前将电磁场施加到容器，其中电磁场同时向容器施加压力 当熔融金属注入到容器中时，其中当熔融金属被注入到容器中时，电磁场被施加到容器上，其中电磁场的印象在熔融金属的固相比 达到0.001〜0.7，其中金属材料是金属浆料或坯料型，其中熔融金属注入期间的熔融金属温度高于熔融金属的液相线温度，并且与液相线温度相同或更低 + 100℃，其中该方法还包括在冷却之后第二次形成金属材料的步骤 ep，并且其中所述冷却步骤包括冷却所述熔融金属直到所述熔融金属达到0.1至0.7的固相比的步骤。

公开(公告)号：KR100432983B1

公开(公告)日：2004-05-27

申请号：KR1020030013498

申请日：2003-03-04

Applicant: 학교법인연세대학교

Inventor： 홍준표 ,  김재민 ,  김민수 ,  마사유끼이타무라

IPC: B22D27/02

Abstract: PURPOSE: A method and an apparatus for manufacturing semi-solid metal slurry are provided to obtain more fine and uniformed spheroidized grains, improve energy efficiency, reduce manufacturing cost, improve mechanical properties, simplify casting process, shorten manufacturing period of time, shortly manufacture semi-solid metal slurry having high quality and improve connection with succeeding processes. CONSTITUTION: The method for manufacturing semi-solid metal slurry comprises a step of arranging a slurry manufacturing container inside a certain space part; a step of impressing an electromagnetic field to the space part and injecting molten metal into the slurry manufacturing container; and a step of transferring the slurry manufacturing container to the outside of the space part, wherein the electromagnetic field is impressed to the space part before injecting molten metal into the slurry manufacturing container, wherein the step of arranging the slurry manufacturing container in the space part is performed after the electromagnetic field is impressed to the space part, wherein the electromagnetic field is impressed to the space part at the same time when the molten metal is injected into the slurry manufacturing container, wherein the electromagnetic field is impressed to the space part while the molten metal is being injected into the slurry manufacturing container, wherein the electromagnetic field is continuously impressed to the space part until a solid phase ratio of the molten metal in the slurry manufacturing container reaches 0.001 to 0.7.

Abstract translation: 目的：提供一种制备半固态金属浆料的方法和设备，以获得更细且均匀的球化颗粒，提高能量效率，降低制造成本，改善机械性能，简化铸造工艺，缩短制造时间，短时间制造半成品 - 高质量的固体金属浆料并改善与后续工艺的连接。 组成：半固态金属浆料的制造方法包括将浆料制造容器布置在特定空间部分内的步骤; 向空间部分施加电磁场并将熔融金属注入浆料制造容器的步骤; 以及将所述浆料制造容器移送到所述空间部分的外部的步骤，其中，在将所述熔融金属注入到所述浆料制造容器之前，所述电磁场被施加到所述空间部分，其中，将所述浆料制造容器布置在所述空间部分 是在将电磁场施加到空间部分之后执行的，其中，当熔融金属被注入到浆料制造容器中时，电磁场被施加到空间部分，其中电磁场被施加到空间部分而同时 熔融金属被注入到浆料制造容器中，其中电磁场连续地施加到空间部分，直到浆料制造容器中的熔融金属的固相比达到0.001到0.7。