gh2984(gh984)鈦及鎳基合金-高溫合金|GH
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百度百科-驗(yàn)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\/gh2984(gh984)"; 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(wèn)異常,請(qǐng)進(jìn)行驗(yàn)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(yàn)證失敗,請(qǐng)重新驗(yàn)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); }); }(); GH2984高溫合金 GH2984合金是Fe-Ni-Cr基沉淀硬化變形高溫合金,工作溫度700℃~750℃ .合金以鉻、鉬和鈮等元素進(jìn)行固溶強(qiáng)化,以少量鋁,鈦形成沉淀強(qiáng)化相,該合金具有良好的長(zhǎng)期持久強(qiáng)度、抗氧化和耐腐蝕能力,良好的冷熱加工性能,較好的組織穩(wěn)定性和可焊性。主要產(chǎn)品有棒材、管材、板材、帶材和環(huán)形件。 GH2984高溫合金已用于制作艦用及超臨界鍋爐用,工作在700℃~750℃的過(guò)熱器管材,在艦用鍋爐經(jīng)十年使用考核,效果良好,已投入批量使用。 該合金與同類用途的鎳基合金比較,可以節(jié)約ω(Ni)32%~34%,并且不含鈷,因而成本低廉。合金經(jīng)長(zhǎng)期時(shí)效后,析出少量顆粒狀σ狀,對(duì)性能沒(méi)有影響,合金在各種不同熱處理狀態(tài)以及焊接時(shí)均沒(méi)有出現(xiàn)晶間腐蝕現(xiàn)象。 PRODUCT PARAMETERS 產(chǎn)品參數(shù) GH984高溫合金化學(xué)成分 化學(xué)元素%CCrNiMoAlTiFeNbMnSiSP GH984***小-18.040.02.000.200.90余量0.90---0.0820.045.02.400.501.30-1.300.500.500.0100.010 熔煉工藝采用真空感應(yīng)爐+電渣重熔熔煉工藝。熔化溫度范圍:初熔溫度1400℃密度:8. 09g/cm3 上一頁(yè):gh3007(gh5K)