PROBLEM TO BE SOLVED: To provide a method for manufacturing a load wheel made of an aluminum alloy capable of manufacturing an aluminum wheel having a smaller amount of strain than conventional ones.SOLUTION: There is provided a method for manufacturing a load wheel made of an aluminum alloy including a casting step, a solution treatment step and an artificial aging treatment step. The solution treatment step has a heating treatment step and a hardening step after the heating treatment step. The heating treatment step has a first heating treatment step of heating treating an intermediate after the casting step in a first temperature range set at a temperature T1 in a range of 505 to T0°C, where T0 is an eutectic temperature (°C) of an aluminum alloy, and a second heating treatment step of heating treating the intermediate in a second temperature range set at a temperature T2 in a range of 500 to (T1-5)°C after the first heating treatment step.SELECTED DRAWING: Figure 8

    【課題】 従来より歪量の小さいアルミホイールを製造することのできるアルミニウム合金製ロードホイールの製造方法を提供することを目的とする。【解決手段】 鋳造工程と、溶体化処理工程と、人工時効処理工程と、を備えるアルミニウム合金製ロードホイールの製造方法であって、溶体化処理工程は、加熱処理工程および該加熱処理工程後の焼入れ工程を有し、加熱処理工程は、アルミニウム合金の共晶温度(℃)をT0としたときに505〜T0℃の範囲の温度T1に設定された第1の温度域で鋳造工程後の中間体を加熱処理する第1の加熱処理工程、および第1の加熱処理工程後、500〜(T1−5)℃の範囲の温度T2に設定された第2の温度域で中間体を加熱処理する第2の加熱処理工程を有するアルミニウム合金製ロードホイールの製造方法。【選択図】図8


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    Title :

    METHOD FOR MANUFACTURING LOAD WHEEL MADE OF ALUMINUM ALLOY


    Additional title:

    アルミニウム合金製ロードホイールの製造方法


    Contributors:

    Publication date :

    2016-07-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

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



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