R-26鈦及鎳基合金-高溫合金|GH
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百度百科-驗證 if (!window['__abbaidu_2020_subidgetf']) { window['__abbaidu_2020_subidgetf'] = function () { var subid = 01000000; return subid; }; } !function(){ var $ = require('wiki-common:widget/lib/jquery/jquery'); var Dialog = require('wiki-common:widget/ui/dialog/dialog'); var ClickstreamSdk = require('wiki-common:widget/util/clickstreamSdk'); var clickstream = new ClickstreamSdk.default({ appname: 'baike', platform: 'web', device: 'pc', page: 'spam', auto: true }); var sourceUrl = "\/item\/R-26"; var fromPage = "pc_lemma_page_risk_score"; var logParam = { page: 'spam', fromPage: fromPage } clickstream.logActEvent($.extend({}, logParam, {'act_type': 'show'})); function init() { if (window.sdkMachine) { var machineSDK = new window.sdkMachine({ container: document.body, title: '訪問異常,請進行驗證', ak: 'GHm64ouBF7GGAhXNcsae9xiVByAGWhMI', deviceType: 'pc', type: 'spin', testUrl: '', initApiSuccessFn: function() { machineSDK.init(); }, errorFn: function(err) { alert('errfn___' + err.message || '') }, verifySuccessFn: function(result) { $.ajax({ type: 'GET', url: '/api/anticrawl/captchaverify', dataType: 'json', data: { ds: result.ds, passTk: result.tk, clientType: 'pc', tk: "d4b87f38b35a5e84f28e8674b41132db", sourceFrom: fromPage }, success: function(res) { if (res && res.errno === 0 && !res.isSpam) { clickstream.logActEvent($.extend({}, logParam, {'act_type': 'verify-pass'})); if (sourceUrl) { machineSDK.close(); window.location.href = sourceUrl; } } else { var submitInform = Dialog.inform({ icon: 'WARNING', mainMsg: '驗證失敗,請重新驗證' }); submitInform.show(); setTimeout(function() { submitInform.hide(); }, 3000); machineSDK.close(); init(); } } }); }, verifyFailFn: function() { }, feedbackEvent: function(feedback) { return true; }, }); } }; init(); }(); !function(){ require('wiki-common:widget/component/psLink/psLink'); var clickstream = require('wiki-common:packages/utils/logger'); clickstream.logViewPage({ page: 'all-pc' }); var tmpBaiduId = ''; require(['wiki-common:widget/util/setBaikeTmpBaiduId.es'], function (setBaikeTmpBaiduId, cookie) { setBaikeTmpBaiduId(tmpBaiduId); }); }(); R-26沉淀硬化型變形高溫合金R-26是GH2026合金的曾用名,R-26是Fe-Ni-Co-Cr基沉淀硬化型變形高溫合金,長期使用溫度范圍540℃-570℃,最高使用溫度可達677℃,合金加入鉻、鉬元素進行固溶強化,加入高鈦、低鋁元素形成γ'時效強化相,同時鈷元素使鈦、鋁在固溶體中的溶解度降低,促使γ'相析出量增加,從而提高γ'的熱穩(wěn)定性,降低γ'相的堆垛層錯能。合金的綜合性能優(yōu)越,具有優(yōu)異的抗應(yīng)力松馳性能和抗蠕變性能,沒有缺口敏感性。適于制作螺栓、汽封彈簧片、密封環(huán)、銷釘?shù)攘慵饕a(chǎn)品有熱軋棒材、鍛制棒材、熱軋板材和冷軋薄板等。合金已用于制作地面汽輪機用緊固件,在540℃-570℃蒸汽條件下可工作10萬余小時,使用情況良好。相近合金國外用于制作航空渦輪發(fā)動機緊固件和葉片。合金在中溫下具有良好的塑性,在長期使用中會降低零件因持久和蠕變造成的斷裂。合金在使用溫度范圍內(nèi)經(jīng)長期時效或長期應(yīng)力時效后,均未發(fā)現(xiàn)TCP有害相。 PRODUCT PARAMETERS 產(chǎn)品參數(shù) 化學(xué)成分CCrNiCoMoTiAlFeBSiMnPSMin1635182.52.50.001Max0.082039223.530.25余0.011.510.030.03熱處理制度固溶處理 1025℃,快冷時效處理 815℃保溫20小時水冷+730℃保溫20小時空冷。密度:8.2電阻率表θ/℃20400500600700ρ/(106Ω? m)1.0571.1791.2091.2321.246線性膨脹系數(shù)表θ/℃20~10020~40020~50020~60020~700α/(10-6℃-1)10.91913.213.87514.41915.145彈性性能θ/℃20400500600700E/GPa221.44193184.86175.83169.26 上一頁:Refractaloy 26