GH4710高温合金 GH4710是Ni-Cr-Co基沉淀型硬化变形高温合金,也可用做铸造合金,工作温度高达980℃。合金在900℃以下具有高强度、高的抗硫腐蚀、抗氧化性能和较好的组织稳定性。可制造涡轮转子叶片和盘件,也可制造整体燃气涡轮机转子。冶韩实业主要产品有棒材、锻件、盘锻件和精铸件。欢迎您的来电咨询!周工/TEL:138---1616---6343(微信同号) GH4710高温合金已用于制造涡轮发动机整体涡轮盘,应用于直升机及油田发动机。 GH4710高温合金经长期时效后,高温性能、室温拉伸强度和屈服度都明显下降。时效温度愈高下降幅度愈大,但高温强度的变化较小。经850℃、950℃长期时效后,合金的冷热疲劳寿命由于针状σ相的析出而显著降低,在850℃长期时效后的材料经重新热处理后,其持久寿命可恢复90%,持久塑性可恢复到原来的水平。 摘自GB/T 14992,杂质元素分析有区别的摘自HB5423,见表GH4710高温合金化学成分元素CCrNiCoWMoAlTiFeBZrCeSiMnCu①最小_16.50_13.501.002.502.004.50_0.010_____最大0.1019.50余16.002.003.503.005.501.000.0300.0600.0200.150.150.1热处理制度 摘自HB/Z 140和文献,各品种的标准热处理制度为: A 盘坯锻件,1170℃±10℃×4h/AC﹢1080℃±10℃×4h/AC﹢845℃±10℃×24h/AC﹢760℃±10℃×16h/AC,HV≥370; B 精铸件,1150℃±10℃×2h/AC﹢1065℃±10℃×4h/AC﹢760℃±10℃×4h/AC。ABSolute;top:0;border:0;width:undefinedpx;height:undefinedpx;" SANdbox="allow-forms allow-popUPS allow-popups-to-escape-sandbox allow-same-origin allow-scripts allow-top-navigation-by-user-activation" frameborder="0" src="https://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-6745515041074118&ouTPUt=html&adk=1812271804&adf=3279755396&plat=1%3A32776%2C2%3A32776%2C8%3A134217728%2C9%3A134250504%2C16%3A8388608%2C17%3A32%2C24%3A32%2C25%3A32%2C30%3A1081344%2C32%3A32&format=0x0&url=https%3A%2F%2Fwww.bizrobot.com%2Fcompany_bloginfo.php%3Fact%3D1&ea=0&flash=32.0.0*&pra=5&wgl=1&dt=1620282505918&bpp=12&bdt=522&idt=203&shv=r20210504&cbv=%2Fr20190131&ptt=9&saldr=aa&cookie=ID%3D291846eb031c7b75-225488dfacc700fb%3AT%3D1619775504%3ART%3D1619775504%3AS%3DALNI_MbwSZhVJSyAVnKsp3VZHCvY7oon3A&nras=1&correlator=703916945990&frm=23&ife=1&pv=1&ga_vid=812018343.1620282506&ga_sid=1620282506&ga_hid=553950140&ga_fc=0&nhd=1&u_tz=480&u_his=9&u_java=0&u_h=768&u_w=1360&u_ah=728&u_aw=1360&u_cd=24&u_nplug=15&u_nmime=33&adx=-12245933&ady=-12245933&biw=1295&bih=597&isw=730&ish=360&ifk=2699508910&scr_x=0&scr_y=0&eid=42530672&oid=3&pvsid=1248984260165774&pem=877&ref=https%3A%2F%2Fwww.bizrobot.com%2Fcompany_bloginfo.php%3Fadd_suc%3D1&eae=2&fc=1920&brdim=0%2C0%2C0%2C0%2C1360%2C0%2C1360%2C728%2C730%2C360&vis=1&rsz=%7C%7Cs%7C&abl=NS&fu=4&bc=31&ifi=1&uci=1.t0998n2wx2m2&fsb=1&dtd=241" marginwidth="0" marginheight="0" vspace="0" hspace="0" allowtransparency="true" scrolling="no" allowfullscreen="true" data-google-container-id="1.t0998n2wx2m2" data-load-complete="true"> |