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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\/42Cr9Si2_42Cr9Si2%E6%B0%94%E9%97%A8%E9%92%A2_42Cr9Si2%E7%8E%B0%E8%B4%A7"; 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); }); }(); 42Cr9Si2化學成份范圍值:注：實際化學成分以鋼廠質(zhì)保書為準。42Cr9Si2碳:0.35～0.50  42Cr9Si2磷:0.03542Cr9Si2鉻:8.0～10.0042Cr9Si2鎳:≤0.6042Cr9Si2硅:2.00～3.0042Cr9Si2錳:≤0.7042Cr9Si2硫:≤0.03042Cr9Si2淬火+回火后力學性能范圍值:注：實際力學性能以鋼廠質(zhì)保書為準。抗拉強度σb(MPa)：≥885屈服強度σ0.2(MPa)：≥590伸長率δ5(%)：≥19斷面收縮率ψ(%)：≥50硬度：退火,≤269HBW42Cr9Si2熱處理工藝：淬火加熱溫度：1020-1040℃；冷卻劑：油冷回火加熱溫度：700-780℃；冷卻劑：油冷42Cr9Si2性能特點：在650℃以下有較高的熱強性和抗燃氣腐蝕性，750℃以下有抗氧化性。42Cr9Si2用途：42Cr9Si2用做內(nèi)燃機進氣閥、輕載荷發(fā)動機的排氣閥；汽輪機、動力機械、制造鍋爐、石油化工、工業(yè)爐和航空等工業(yè)部門中在高溫工作的零部件。這些部件除要求高溫強度和抗高溫氧化腐蝕外，根據(jù)用途不同還要求有足夠的韌性、良好的可加工性和焊接性，以及一定的組織穩(wěn)定性。