KR102406478B1 - 알루미늄계 기지를 포함한 복합재 및 이를 적용한 장치 - Google Patents
알루미늄계 기지를 포함한 복합재 및 이를 적용한 장치 Download PDFInfo
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Abstract
Description
도 2 및 도 3은 본 발명의 실시예에 따라 제조된 알루미늄계 기지를 포함한 복합재를 보여주는 투과 전자 현미경(transmission electron microscope)(TEM) 이미지이다.
도 4는 도 2의 복합재의 일부 영역을 확대하여 보여주는 투과 전자 현미경(TEM) 이미지이다.
도 5는 도 3의 복합재의 일부 영역을 확대하여 보여주는 투과 전자 현미경(TEM) 이미지이다.
도 6은 도 2의 복합재의 일부 영역을 확대하여 보여주는 투과 전자 현미경(TEM) 이미지이다.
도 7은 도 6의 투과 전자 현미경(TEM) 이미지에서 서브-그레인과 자기조직화 상의 계면부를 (111) 면에서의 I-FFT(inverse fast Fourier transform)로 분석한 분석 이미지이다.
도 8은 도 6에 해당하는 실시예에 따른 복합재를 보여주는 투과 전자 현미경(TEM) 이미지로서, 자기조직화 상 양측의 서브-그레인들(#1, #3)의 결정 배향 방향의 차이를 분석한 결과를 보여주는 도면이다.
도 9는 본 발명의 실시예에 따른 알루미늄계 기지를 포함한 복합재에 대한 중성자 산란 분석 결과이다.
도 10은 본 발명의 실시예에 따른 복합재를 인장 변형한 경우의 그 미세 구조를 보여주는 투과 전자 현미경(TEM) 이미지이다.
도 11은 본 발명의 실시예에 따른 알루미늄계 기지를 포함한 복합재를 제조하는 방법을 설명하기 위한 순서도이다.
도 12는 본 발명의 실시예에 따라 제조된 알루미늄계 기지를 포함한 복합재에 대한 인장 시험 결과를 보여주는 그래프이다.
도 13은 본 발명의 다른 실시예에 따라 제조된 알루미늄계 기지를 포함한 복합재에 대한 인장 시험 결과를 보여주는 그래프이다.
도 14는 본 발명의 다른 실시예에 따라 제조된 알루미늄계 기지를 포함한 복합재에 대한 인장 시험 결과를 보여주는 그래프이다.
도 15는 본 발명의 실시예에 따라 제조된 알루미늄계 기지를 포함한 복합재 및 이와 비교되는 대조군 물질의 전기전도도-열전도도 특성을 측정한 결과를 보여주는 그래프이다.
도 16은 본 발명의 실시예에 따라 제조된 알루미늄계 기지를 포함한 복합재및 이와 비교되는 대조군 물질의 경도(hardness)-열전도도 특성을 측정한 결과를 보여주는 그래프이다.
AM10 : 알루미늄계 기지
G10 : 그레인
GB1 : 그레인 바운더리
SG10 : 서브-그레인
SGB10 : 서브-그레인 바운더리
SP10 : 자기조직화 상
Claims (14)
- 알루미늄계 기지를 포함한 복합재로서,
복수의 그레인 및 상기 그레인 각각의 내부에 복수의 서브-그레인을 갖는 알루미늄계 기지; 및
상기 복수의 서브-그레인 사이의 서브-그레인 바운더리에 존재하는 것으로, 알루미늄과 비금속 원소로 이루어진 고용체를 포함하는 밴드 구조의 자기조직화 상(self-organized phase)을 포함하고,
상기 서브-그레인과 이와 접한 상기 자기조직화 상은 실질적인 정합 계면(coherent interface)을 형성하는, 알루미늄계 기지를 포함한 복합재. - 제 1 항에 있어서,
상기 정합 계면을 따라서 상호 이격된 복수의 전위(dislocation)가 위치하는 알루미늄계 기지를 포함한 복합재. - 제 1 항에 있어서,
상기 자기조직화 상은 상기 서브-그레인의 격자 상수보다 큰 격자 상수를 갖는 알루미늄계 기지를 포함한 복합재. - 제 1 항에 있어서,
상기 자기조직화 상의 격자 상수는 0.405 nm 보다 크거나 같고 0.42 nm 보다 작거나 같은 알루미늄계 기지를 포함한 복합재. - 제 1 항에 있어서,
상기 자기조직화 상의 일측에 제 1 서브-그레인이 제공되고, 상기 자기조직화 상의 타측에 제 2 서브-그레인이 제공되며,
상기 제 2 서브-그레인의 결정 배향 방향은 상기 제 1 서브-그레인의 결정 배향 방향에 대해서 10°이내의 각도로 틸팅(tilting)된 알루미늄계 기지를 포함한 복합재. - 제 1 항에 있어서,
상기 자기조직화 상은 5∼80 nm의 밴드 폭을 갖는 알루미늄계 기지를 포함한 복합재. - 제 1 항에 있어서,
상기 비금속 원소는 산소(O), 탄소(C) 및 질소(N) 중 적어도 하나를 포함하는 알루미늄계 기지를 포함한 복합재. - 제 1 항에 있어서,
상기 자기조직화 상에서 상기 비금속 원소의 함유량은 0.01∼10 at% 인 알루미늄계 기지를 포함한 복합재. - 제 1 항에 있어서,
상기 자기조직화 상은 상기 고용체로 구성되고, 상기 알루미늄과 상기 비금속 원소에 의한 화합물은 미함유하는 알루미늄계 기지를 포함한 복합재. - 제 1 항에 있어서,
상기 알루미늄계 기지는 알루미늄 합금인 알루미늄계 기지를 포함한 복합재. - 제 1 항에 있어서,
상기 알루미늄계 기지는 알루미늄에 고용 가능한 첨가 원소를 더 포함하고,
상기 첨가 원소는 스칸듐(Sc), 이트륨(Y), 타이타늄(Ti), 지르코늄(Zr), 바나듐(V), 크롬(Cr), 망간(Mn), 철(Fe), 니켈(Ni), 구리(Cu), 은(Ag), 아연(Zn), 텅스텐(W), 실리콘(Si), 마그네슘(Mg), 칼슘(Ca), 스트론튬(Sr) 및 베릴륨(Be) 중 적어도 하나를 포함하는 알루미늄계 기지를 포함한 복합재. - 제 1 항에 있어서,
상기 알루미늄계 기지 내에 복수의 상기 자기조직화 상이 분산되어 형성된 알루미늄계 기지를 포함한 복합재. - 청구항 1 내지 12 중 어느 한 항에 기재된 알루미늄계 기지를 포함한 복합재를 적용한 장치.
- 제 13 항에 있어서,
상기 장치는 전기차 배터리 케이스를 포함하는 장치.
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