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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\/NiCr22FeMo"; 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(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); }); }(); NiCr22FeMoNiCr22FeMo該合金是主要用鉻和鉬固溶強(qiáng)化的一種鐵量較高的鎳基高溫合金,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(qiáng)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(dòng)機(jī)的燃燒室部件和其他高溫部件，900℃以下長(zhǎng)期使用，短時(shí)工作溫度達(dá)到1080℃。NiCr22FeMo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。NiCr22FeMo應(yīng)用概況與特殊要求 該合金在國(guó)外航空發(fā)動(dòng)機(jī)和民用工業(yè)中獲得了極為廣泛的應(yīng)用，我國(guó)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(zhǎng)期使用后有一定的時(shí)效硬化現(xiàn)象。 PRODUCT PARAMETERS 產(chǎn)品參數(shù) 化學(xué)成分CCrNiCoWMoAlTiFeBCuMnSiPS0.0520.50.500.208.017.00.1523.0余量2.501.0010.00.500.1520.00.0100.501.001.000.0250.015NiCr22FeMo物理性能熔化溫度：1295～1381℃，密度：8.28g/cm3NiCr22FeMo力學(xué)性能品種熱處理方式抗拉強(qiáng)度σb/MPa屈服強(qiáng)度σp0.2/MPa延伸率σ5 /%收縮率Ψ/%布氏硬度 HBS棒材固溶+時(shí)效69027530---≤241冷軋薄板固溶+時(shí)效72531035------ 上一頁(yè)：NC22FeD