PROBLEM TO BE SOLVED: To provide a vehicular wheel made of an aluminum alloy combining high strength (0.2% proof stress) with high toughness( elongation).SOLUTION: There is provided the vehicular wheel made of an aluminum alloy containing Si of 6.5 to 11.8 mass%, Mg of 0.20 to 0.45 mass%, one or more kind selected from a group consisting of Cu, Zn, Fe, Mn and Ti of 0.1 to 1.5 mass% and the balance Al with inevitable impurities. In the vehicular wheel made of an aluminum alloy, a reduction rate of X ray intensity ((Sav-Smin)/Sav×100) is 15% or less, where Sav is an average value of X ray intensity of Si measured in primary crystal Al of the aluminum alloy and Smin is the lowest X ray intensity in the primary crystal Al.SELECTED DRAWING: Figure 1

    【課題】 本発明が解決しようとする課題は、高強度(0.2%耐力)と高靭性(伸び)とを併せ持つアルミニウム合金からなる車両用ホイールを提供することである。【解決手段】 Si6.5〜11.8質量%、Mg0.20〜0.45質量% 、Cu,Zn,Fe,Mn及びTiからなる群から選ばれる一種又は二種以上を0.1〜1.5質量%含み、残部Al及び不可避不純物からなるアルミニウム合金からなる車両用ホイールであって、前記アルミニウム合金の初晶Al内で測定したSiのX線強度の平均値をSavとし、前記初晶Al内で最も低いX線強度をSminとしたとき、X線強度の低下率((Sav−Smin)/Sav×100)が15%以下である車両用ホイール。【選択図】図1


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    Title :

    ALUMINUM ALLOY-MADE VEHICULAR WHEEL


    Additional title:

    アルミニウム合金製車両用ホイール


    Contributors:

    Publication date :

    2017-02-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    C22C Legierungen , ALLOYS / B60B VEHICLE WHEELS , Räder für Fahrzeuge / C22F CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS , Verändern der physikalischen Struktur von Nichteisenmetallen oder Nichteisenlegierungen



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