MAGNESIUM ALLOY ROLLED PLATE

• Main Authors: MIZUTANI MANABU, SUZAWA KAZUHA, JONO YURI, YOSHIDA TAKESHI, YOSHIDA KATSUTO
• Format: Patent
• Language: English; Japanese
• Published: 30.05.2022
• Subjects: ALLOYS; CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS; CHEMISTRY; FERROUS OR NON-FERROUS ALLOYS; MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL; METALLURGY; PERFORMING OPERATIONS; PUNCHING METAL; ROLLING OF METAL; TRANSPORTING; TREATMENT OF ALLOYS OR NON-FERROUS METALS

To provide a magnesium alloy rolled plate that is light in weight, has excellent thermal conductivity, and has small anisotropy of 0.2% proof stress.SOLUTION: A magnesium alloy rolled plate is a magnesium alloy, the magnesium alloy having a specific composition and a specific structure, the specific composition consisting of 0.5 mass% or more and 2.0 mass% or less of Zn, 0.05 mass% or more and 0.4 mass% or less of Ca, more than 0.1 mass% and 1.5 mass% or less of Mn, 0 mass% or more and 2.0 mass% or less of a rare earth element, 0 mass% or more and 0.8 mass% or less of Zr, with the balance being Mg and unavoidable impurities, the specific structure having fa1/fb1 of 2.5 or more, mL/mC and mL/mD of 0.8 or more and 1.2 or less and a thermal conductivity of more than 110 W/m K.SELECTED DRAWING: Figure 1 【課題】軽量で、熱伝導性に優れる上に、０．２％耐力の異方性の小さいマグネシウム合金圧延板を提供する。【解決手段】マグネシウム合金からなるマグネシウム合金圧延板であって、前記マグネシウム合金は、特定の組成及び特定の組織を有し、前記特定の組成は、０．５質量％以上２．０質量％以下のＺｎと、０．０５質量％以上０．４質量％以下のＣａと、０．１質量％超１．５質量％以下のＭｎと、０質量％以上２．０質量％以下の希土類元素と、０質量％以上０．８質量％以下のＺｒと、を含み、残部がＭｇ及び不可避不純物であり、前記特定の組織は、ｆａ１／ｆｂ１が２．５以上を満たし、かつ、ｍＬ／ｍＣ及びｍＬ／ｍＤが０．８以上１．２以下を満たし、熱伝導率が１１０Ｗ／ｍ・Ｋ超である、マグネシウム合金圧延板。【選択図】図１