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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="7izfjkl" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lmfmyj/637249885633408203/9797721.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="98dubs7" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>浙江省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>寧波粉末冶金原理</p><p><span>***更新：</span>2020-06-01 05:21:24</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="mqc8kqh" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">寧波聯(lián)銘粉末冶金有限公司</a></p><p><span>聯(lián)系人：</span>樂雪君</p><p><span>郵箱: </span>286178122@qq.com</p><p><span>電話: </span>13484278563</p><p><span>傳真: </span>0574_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0574-13484278</p><p><span>地址: </span>蛟川街道鎮(zhèn)寧東路685號</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="nbs8rdz" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="waclmdu" class="box"><p><p> 粉末注射成形(MIM)是從塑料注射成形工藝發(fā)展過來的,是粉末冶金技術(shù)和塑料注射成形技術(shù)相結(jié)合而產(chǎn)生的一種新的近凈成形技術(shù),它包括混料、注射成形、脫脂、燒結(jié)等四道工藝步驟。粉末冶金制品是一種非常理想的加工工藝，寧波粉末冶金原理，它生產(chǎn)出來的產(chǎn)品不管是性能還是質(zhì)量都是非常優(yōu)異的，得到了各個(gè)行業(yè)的認(rèn)知、認(rèn)可和廣泛應(yīng)用，寧波粉末冶金原理。這一點(diǎn)在汽車行業(yè)更是明顯，對于汽車產(chǎn)業(yè)來說，粉末冶金技術(shù)、零件是它們的選擇。對于用戶來說，寧波粉末冶金原理，粉末冶金齒輪重要的就是齒形和其圓角的精確度，一般這些都要通過嚴(yán)格的計(jì)算才能得到。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波粉末冶金原理" src="https://tyunfile.71360.com/UploadFile/lmfmyj/637249885633408203/9797721.jpg"></div><p> 在粉末冶金材料的熱處理中，為了提高淬透性，通常加入一些合金元素如：鎳、鉬、錳、鉻、釩等，它們的作用跟在致密材料中的作用機(jī)理相同，可明顯細(xì)化晶粒，當(dāng)其溶于奧氏體后會(huì)增加過冷奧氏體的穩(wěn)定性，保證淬火時(shí)的奧氏體轉(zhuǎn)變，使淬火后材料的表面硬度增加，淬硬深度也增加。另外，粉末冶金材料淬火后都要進(jìn)行回火處理，回火處理的溫度控制對粉末冶金材料的的性能影響較大，因此要根據(jù)不同材料的特性確定回火溫度，降低回火脆性的影響，一般的材料可在175-250℃下空氣或油中回火0.5-1.0h。 </p> <p> 2、化學(xué)熱處理工藝 </p> <p> 化學(xué)熱處理一般都包括分解、吸收、擴(kuò)散三個(gè)基本過程，比如，滲碳熱處理的反應(yīng)如下： </p> <p> 2CO≒[C]+CO2 (放熱反應(yīng)) </p> <p> CH4≒[C]+2H2 (吸熱反應(yīng)) </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波粉末冶金原理" src="https://tyunfile.71360.com/UploadFile/lmfmyj/637249885492226563/1132398.jpg"></div><p> 我國新能源汽車發(fā)展已經(jīng)進(jìn)入了快速成長期，開始進(jìn)入個(gè)人消費(fèi)時(shí)代，動(dòng)力電池產(chǎn)業(yè)鏈規(guī)模也逐步擴(kuò)大，但行業(yè)在快速成長，不可避免地會(huì)出現(xiàn)“重規(guī)模增長、輕技術(shù)創(chuàng)新”的現(xiàn)象。而要想全方面打開電動(dòng)汽車市場，需要?jiǎng)恿﹄姵丶半姵夭牧霞夹g(shù)的突破及創(chuàng)新。 </p> <p> 粉末冶金產(chǎn)品技術(shù)是生產(chǎn)質(zhì)量新材料主要的方法，其中超導(dǎo)、效率高能電池等其它新材料制備與應(yīng)用技術(shù)是國家重點(diǎn)支持的高新技術(shù)領(lǐng)域之一。作為動(dòng)力電池的四大關(guān)鍵材料之一，正極材料及負(fù)極材料的技術(shù)創(chuàng)新，對我國動(dòng)力電池的能量密度、安全性、充電時(shí)間等各項(xiàng)技術(shù)參數(shù)水平提升至關(guān)重要。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波粉末冶金原理" src="https://tyunfile.71360.com/UploadFile/lmfmyj/637249885492568360/43435.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/104389.html</p></div></div></div></div></div><div id="o8sofri" class="page-right twoColRt"><div id="uoahjqm" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="uo84zgx" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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