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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\/gh2018(gh18)"; 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); }); }(); GH2018(GH18)GH2018(GH18)合金鉻、鎳含量相對較低，故抗氧化的溫度僅約800%，但是含彌散強化相形成元素(v、A1、Ti)量相對較高，在固溶體基體上可形成化合物強化相，所以常用熱處理形式為固溶處理+時效。通過固溶處理，可以使GH2018(GH18)合金固溶強化；通過時效處理，可以使合金析出細小強化相[VC、Ni3A1、Ni3Ti，Ni3(A1·Ti)]，從而提高室溫和高溫強度。固溶并時效處理后的組織為奧氏體+彌散化合物。 GH2018(GH18)應(yīng)用舉例：GH2018(GH18)適用于800℃以下的渦輪發(fā)動機的燃燒室、加力燃燒室和其他高溫部件。 PRODUCT PARAMETERS 產(chǎn)品參數(shù) 化學(xué)成分新牌號CCrNiWM0A1TiFeNbVBCeMnSiPSZrGH201818.040.01.803.700.351.800.0621.044.02.204.300.752.20余量O.015O.020O.50O.600.0200.0150.050注：表中B、Zr、Ce的含量為計算加入量，可不分析測定(除非產(chǎn)品標(biāo)準(zhǔn)或協(xié)議、合同中另有規(guī)定)GH2018(GH18)力學(xué)性能：條件屈服度：σ0.2 (MPa)：≥600, 抗拉強度 σb (MPa)：≥850 伸長率 δ5 (％)：≥15 斷面收縮率 ψ (％)：≥20 上一頁：gh2035A(gh35A)