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GW01鋁合金管材的熱處理工藝
發(fā)布人：上海艾荔艾金屬材料有限公司www.bt990.com.cn
更新時(shí)間：2015-09-15
GW01鋁合金是在6061鋁合金基礎(chǔ)上研發(fā)的一種新型高強(qiáng)鋁合金。采用三因素三水平的正交實(shí)驗(yàn)，研究了固溶溫度-時(shí)間、時(shí)效溫度、時(shí)效時(shí)間三因素對(duì)GW01鋁合金T6處理后力學(xué)性能的影響規(guī)律。
GW01鋁合金管材的熱處理工藝Heat treatment process of GW01 aluminum alloy pipe
GW01鋁合金是在6061鋁合金基礎(chǔ)上研發(fā)的一種新型高強(qiáng)鋁合金。采用三因素三水平的正交實(shí)驗(yàn)，研究了固溶溫度-時(shí)間、時(shí)效溫度、時(shí)效時(shí)間三因素對(duì)GW01鋁合金T6處理后力學(xué)性能的影響規(guī)律。結(jié)果表明：隨著固溶溫度的提高和固溶時(shí)間的縮短，GW01鋁合金的抗拉強(qiáng)度、屈服強(qiáng)度和硬度均有大幅度提高，其伸長(zhǎng)率則先降低后升高；隨著時(shí)效溫度的升高，GW01鋁合金的抗拉強(qiáng)度、屈服強(qiáng)度、硬度以及伸長(zhǎng)率均不斷降低；GW01鋁合金的抗拉強(qiáng)度、屈服強(qiáng)度以及硬度均對(duì)時(shí)效時(shí)間不敏感，隨時(shí)效時(shí)間的延長(zhǎng)只有小幅度的降低，其伸長(zhǎng)率則隨時(shí)效時(shí)間的延長(zhǎng)有一定幅度的提高。(510 ℃，3 h，水淬)+(170 ℃，18 h，空冷)的T6熱處理可以使GW01鋁合金管材獲得良好的綜合力學(xué)性能。
GW01 aluminum alloy is a new type of high-strength aluminum alloys researched and developed based on 6061 aluminum alloy. The effects of solid solution temperature-time, aging temperature and aging time on mechanical properties of GW01 aluminum alloy after T6 treatment were investigated by orthogonal experiment of three factors and three levels. The results show that, with the solution temperature increasing and solution time decreasing, the tensile strength, yield strength and hardness of GW01 aluminum alloy are improved greatly, and the elongation increases after a certain amount of decline. With the aging temperature increasing, the tensile strength, yield strength, hardness and elongation of GW01 aluminum alloy decrease constantly. The tensile strength, yield strength and hardness of GW01 aluminum alloy are all insensitive to aging time, which means that they only decreases a little with aging time extending. The elongation increases with aging time extending. The good mechanical properties of GW01 aluminum alloy pipe are obtained after T6 treatment process of (510 ℃, 3 h, water quenching)+(170 ℃, 18 h, air cooling).
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