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GH3536鈦及鎳基合金-高溫合金｜GH
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.block-item .block-title{color:#333;font-size:20px;line-height:1.5}.page-footer-content .block-item .block-title svg{color:#aaa;margin-right:10px}.page-footer-content .block-item .block-content{padding:5px 0 0 30px;width:210px}.page-footer-content .block-item .block-content>a{color:#666;cursor:pointer;float:left;margin-bottom:5px;position:relative;-webkit-text-decoration:none;text-decoration:none;width:90px}.page-footer-content .block-item .block-content>a:hover{color:#338de6;-webkit-text-decoration:none;text-decoration:none}.page-footer-content .block-item .block-content .block-content-new-icon{height:7px;left:52px;position:absolute;top:3px}網(wǎng)頁新聞貼吧知道網(wǎng)盤圖片視頻地圖文庫資訊采購百科百度首頁登錄注冊進入詞條全站搜索幫助首頁秒懂百科特色百科知識專題加入百科百科團隊權(quán)威合作個人中心播報討論上傳視頻鎳基高溫合金收藏查看我的收藏0有用+10是一種以鉻、鉬固溶強化的鐵基鎳基高溫合金，對應(yīng)國外牌號包括美國UNS NO6002、法國NC22FeD等。其長期使用溫度可達900℃，短期可承受1080℃高溫，兼具抗氧化性、耐腐蝕性及中等持久強度，主要應(yīng)用于航空發(fā)動機燃燒室、核反應(yīng)堆熱端部件、石油裂化爐管等高溫承力結(jié)構(gòu)件。該合金以奧氏體為基體，含鎳余量，鉻（20.5%-23%）、鉬（8%-10%）及鐵（17%-20%）為主要成分。通過固溶處理（1160-1210℃）優(yōu)化組織性能，支持低熱輸入焊接工藝。其加工形態(tài)涵蓋板材、管材、鍛件及3D打印制件，增材制造中采用熱等靜壓與特殊熱處理可減少裂紋并提升力學(xué)性能 [1-3]。在航空、能源、化工領(lǐng)域的高溫及腐蝕環(huán)境中具有廣泛應(yīng)用。中文名密 度ρ=8.3g/cm3熔化溫度1260~1355℃應(yīng)用領(lǐng)域高溫氣體冷卻核反應(yīng)堆目錄1特性2相近牌號3合金特性4應(yīng)用領(lǐng)域5工藝性能特性播報編輯具有良好的抗氧化和耐腐蝕性能,在900℃以下有中等到的持久和蠕變強度,冷、熱加工成形性和焊接性能良好。適用于制造航空發(fā)動機的燃燒室部件和其他高溫部件，900℃以下長期使用，短時工作溫度達到1080℃。 在 600～1200℃高溫下能承受一定應(yīng)力并具有抗氧化或抗腐蝕能力的合金。按基體元素主要可分為鐵基高溫合金、鎳基高溫合金和鈷基高溫合金。按制備工藝可分為變形高溫合金、鑄造高溫合金和粉末冶金高溫合金。按強化方式有固溶強化型、沉淀強化型、氧化物彌散強化型和纖維強化型等(見金屬的強化)。高溫合金主要用于制造航空、艦艇和工業(yè)用燃氣輪機的渦輪葉片、導(dǎo)向葉片、渦輪盤、高壓壓氣機盤和燃燒室等高溫部件（圖1）;還用于制造航天飛行器、火箭發(fā)動機、核反應(yīng)堆、石油化工設(shè)備以及煤的轉(zhuǎn)化等能源轉(zhuǎn)換裝置。相近牌號播報編輯UNS NO6002 HastelloyX(美國)、 NC22FeD(法國)、NiCr22FeMo(德國)、Nimonic PE13(英國) 金相組織結(jié)構(gòu):該合金在固溶狀態(tài)的組織為奧氏體基體，還有少量的TiN和M6C型碳化物。合金特性播報編輯●易加工性●在900℃時具有中等的持久和抗蠕變強度●具有良好抗氧化性，耐腐蝕性 ●適宜于900℃以下長期使用的航空發(fā)動機燃燒室和加力燃燒室零部件 ●良好的焊接性能和冷、熱加工成形性應(yīng)用領(lǐng)域播報編輯●工業(yè)和航空汽輪機（燃燒室、整流器、結(jié)構(gòu)蓋）● 工業(yè)爐部件、支撐輥、柵板、絲帶和輻射管● 石油化學(xué)爐中的螺旋管● 高溫氣體冷卻核反應(yīng)堆工藝性能播報編輯1、固溶處理溫度范圍是1160℃～1190℃，最好在1175℃左右。為得到最大的蠕變強度，建議冷卻方式為水淬。對于厚度小于1.5mm 的材料，也可采用快速空冷。去應(yīng)力退火溫度為最高870℃。在熱處理過程中，必須保持工件清潔。2、去氧化皮的表面氧化物和焊縫周圍的焊渣的附著性比不銹鋼更強，推薦使用細晶砂帶或細晶砂輪進行打磨。3在用HNO3/HF 混合酸進行酸洗前必須噴砂或打磨將氧化膜打碎。4、機加工 的機加工要在固溶處理態(tài)進行。由于Nicrofer 4722 Co 的加工硬化較高，因此宜采用低切削速度和重進刀進行加工，才能車入已冷作硬化的表層下面。5、焊接 能用各種焊接工藝焊接，如鎢電極惰性氣體保護焊、等離子弧焊、手工亞弧焊、金屬極惰性氣體保護焊、熔化極惰性氣體保護焊。優(yōu)先考慮采用脈沖電弧焊。焊接前，材料需為固溶處理態(tài)，去除氧化皮、油污和各種標(biāo)記印痕，焊縫兩邊約25mm 寬范圍需打磨至光亮金屬表面。采用低熱量輸入，層間溫度不超過100℃。6、不需要焊前和焊后熱處理新手上路成長任務(wù)編輯入門編輯規(guī)則本人編輯我有疑問內(nèi)容質(zhì)疑在線客服官方貼吧意見反饋投訴建議舉報不良信息未通過詞條申訴投訴侵權(quán)信息封禁查詢與解封?2025?Baidu?使用百度前必讀?|?百科協(xié)議?|?隱私政策?|?百度百科合作平臺?|?京ICP證030173號?京公網(wǎng)安備11000002000001號window.PAGE_DATA= 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GH3536(GH536,GH22,GH334,GH739,SG-5) 一、GH3536 概述 GH3536是主要用鉻和鉬固溶強化的一種含鐵量較高的鎳基高溫合金，具有良好的抗養(yǎng)化和耐腐蝕性能，在900℃以下有中等的持久和蠕變強度， 冷、熱加工成型性和焊接性能良好。使用于制造航空發(fā)動機的燃燒室部件和其他高溫部件，在900℃以下長期使用，短時工作溫度可達1080℃。供應(yīng)的主要品 種有板材、帶材、管材、棒材、鍛件、環(huán)形件和精密鑄件。1.1 GH3536 材料牌號 GH3536(GH536,GH22,GH334,GH739,SG-5)1.2 GH3536 相近牌號 UNS NO6002，HastelloyX（美國），NC22FeD（法國）， NiCr22FeMo（德國），Nimonic PE13（英國）1.3 GH3536 材料的技術(shù)標(biāo)準GJB 1952-1994 《航空用高溫合金冷軋薄板規(guī)范》GJB 2612-1996 《焊接用高溫合金冷拉絲材規(guī)范》GJB 3020-1997 《航空用高溫合金環(huán)坯規(guī)范》HB 5494-1992 《GH536合金冷(軋)拔無縫管》HB 5495-1992 《GH536合金冷軋薄板》HB 5496-1992 《GH536合金圓餅、環(huán)坯和環(huán)形件》HB 5497-1992 《GH536合金熱軋和鍛制棒材》HB 5498-1992 《HGH536合金冷拉焊絲》Q/3B 4074-1994 《GH536合金冷軋帶材技術(shù)條件》Q/5B 4018-1992 《K536合金熔模精密鑄件》Q/CB 61-1996 《航空用GH536合金冷加工焊接鋼管》1.4 GH3536 化學(xué)成分 見表1-1。 表1-1%CCrNiCoWMoAlTiFeBCuMnSiPS不大于0.05～0.1520.5～23.0余量0.50～2.500.20～1.008.0～10.0≤0.50≤0.1517.0～20.00.0100.501.001.000.0250.015 注：B按計算量加入、不分析。1.5 GH3536 熱處理制度 板材和管材：1130～1170℃，快速空冷或水冷；棒材和環(huán)形件檢驗試樣：1175℃±15℃，空冷或更快冷卻；帶材：1065～1105℃，快速冷卻。1.6 GH3536 品種規(guī)格與供應(yīng)狀態(tài) 供應(yīng)δ0.5～4.0mm的板材，δ0.05～0.8mm的帶材，外徑4～20mm、壁厚1.0～2.0mm 的管材，直徑0.2～10.0mm的焊絲，直徑≤300mm的棒材和各種直徑及壁厚的環(huán)形件以及不同形狀和尺寸的精密鑄件。板材、帶材和管材經(jīng)固溶處理和 酸洗后供應(yīng)，帶材也可呈冷軋狀態(tài)供應(yīng)；焊絲以硬態(tài)、半硬態(tài)、固熔加酸洗、光亮固溶處理狀態(tài)成盤交貨，也可以直條交貨；棒材和環(huán)形件不經(jīng)熱處理交貨。精密鑄 件于鑄造狀態(tài)供應(yīng)。1.7 GH3536 熔煉與鑄造工藝 采用電弧爐加電渣或非真空感應(yīng)爐加電渣重熔工藝。生產(chǎn)鑄件則采用感應(yīng)爐重熔母合金后澆注于加熱的模殼內(nèi)，澆注速度以快些為好。1.8 GH3536 應(yīng)用概況與特殊要求 該合金在國外航空發(fā)動機和民用工業(yè)中獲得了極為廣泛的應(yīng)用，我國主要用于制造燃燒室部件和其他熱端部件以及蜂窩結(jié)構(gòu)等。合金在高溫下長期使用后有一定的時效硬化現(xiàn)象。二、GH3536 物理及化學(xué)性能2.1 GH3536 熱性能2.1.1 GH3536(GH536) 熔化溫度范圍 1295～1381℃[1]。2.1.2 GH3536(GH536) 熱導(dǎo)率 見表2-1。2.1.3 GH3536 比熱容 見表2-2。 2.1.4 GH3536 線膨脹系數(shù) 見表2-3。2.1.5 GH3536 合金鑄件的熱擴散率 見表2-4。 表2-1[1]θ/℃100200300400500600700800900λ/（W/（m·℃））13.3817.9720.2722.4024.6226.7929.0531.1433.44表2-2θ/℃17100200280408500600700800900c/(J(kg·℃))372.6372.6389.4456.4427.1452.2464.7515.0535.9561.0表2-3[1]θ/℃20～10020～20020～30020～40020～50020～60020～70020～80020～900α/10-6℃-112.112.513.414.014.314.815.515.816.12.2 GH3536密度 ρ=8.28g/cm3[1]。2.3 GH3536電性能 電阻率見表2-5。 表2-4θ/℃
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