Main reasons:(1) the concentration of inking oil is not sufficient, permealbe gompound, even if the paper texture is not very loose, will for excessive infiltration, resulting in an imprinted Powdering;(2) the silver and gold and silver ink is made of powder and inking oil leveling, and for the parents and poor performance.

主要原因：( 1 )調墨油的濃度不足，滲透性物質含量較多国产精品免费你懂的，即使紙張的質地不是很疏松亚洲免线视频，也會由于連接料的過量滲透，造成印跡粉化偷拍妹子综合网；( 2 )金銀墨是由金銀粉末與調墨油調配而成的综合图片亚洲，粉末與連接料的親和性能較差。

It is very detrimental to materials performance. From the viewpoint of the effects of PPB precipitation on the frature of hipped P/M Rene'95, the surface segregation and reaction in Rene'95 powder metallurgy superalloy were analyzed by modern surface techniques and by electron microscopy. The mechanisms of the formation and reduction of PPB precipitation are revealed.

本文從原始顆粒邊界析出對熱等靜壓壓坯斷裂的作用的角度出發(fā)看黄色AAAB级视频，利用現(xiàn)代表面分析技術及電子顯微分析技術研究了Rene′95霧化粉末表面的偏析日韩欧美一级A片在线观看网址、預處理粉末的表面反應和表面析出相的粗化規(guī)律以及熱等靜壓壓坯的界面反應和原始顆粒邊界析出相，揭示了原始顆粒邊界析出的形成機理和預處理方法改善原始顆粒邊界析出的原因免费一级啪啪啪视频。

It was found that the Mo-Cu compound powder after high energy ball milling was in a inequilibrium energy storage state.

本文通過對Mo-Cu復合粉末的機械合金化研究表明aaaa片，經(jīng)過高能球磨后的Mo-Cu復合粉末，處于非平衡儲能狀態(tài)黄色视频高清无码国产。

Results show that at 500℃ polycarbsilanedecomposed into noncrystallized SiC and free caron and impurities which hinder the densificationof the composite are also found during the above decomposition process, with the increase ofheating temperature, the noncrystallized SiC can be transformed into β-SiC.

一般傳統(tǒng)的制備方法是欧美美熟妇激情一区二区三区在线，向C和SIC粉末中添加燒結助劑B，B亚洲国产精品一区二区免在线；久久精品国产99国产精2020丨，A12O欧美无吗不卡高清视频；；AIN等球磨混合狠狠干天天碰天天色，采用粉末冶金熱壓燒結99riav.6；盡管采取了一些特殊的工藝手段和添加燒結助劑的方法，但該材料須在高于2000t時燒結且致密化效果較差［'1无卡无码无免费播放毛片。

After Pressureless Sintering the densification behaviour of the SiC-based powder mixtures was observed to be markedly dependent not only on the type and amount of sintering aids used, but also on the crystal structure of the SiC powder.

經(jīng)過常壓燒結致密化行為的碳化硅基粉末混合物被觀察到明顯不僅僅取決于類型和數(shù)量燒結助劑使用日韩福利短片在线观看视频免费，而且也影響到晶體結構的碳化硅粉末。

Anatase of unaged gel powder owned faster crystalline growth rate and worse aggregation during calcination than that of aged gel powder due to the existence of much more amounts of OH- in unaged powder.

未經(jīng)過陳化處理的膠體粉末在煆燒過程中其銳鈦礦晶粒成長較為快速且造成較為嚴重的凝聚手机在线黄色视频，可能為粉末中含有較多的氫氧基所造成性淫国产真人高清无码一级黄色网站。

Panzhihua-Xichang area in Sichuan is abundant in vanadic titianomagnetite deposit. Because vanadium and titanium are transition metals and the difference between their atomic numbers is only 1, titanium carbide and vanadium carbide are refractory, high hardness and thermodynamically stable metal carbides.

而采用粉末冶金原位合成法不但可以解決鑄造法因增強相體積分數(shù)增加及增強相與鐵基體的密度差異而導致的鑄造缺陷以及SHS的致密化問題，而且克服了粉末冶金法存在的增強體與基體之間結合不良的問題忍住就让你无套精品国产。

The element phosphorus acts as fluxing agent to react with oxygen, preventing the Cu particles form oxidation.

研究了粉末體系中粘結金屬含量對粉末燒結致密化和燒結件微觀組織的影響日韩毛片视频网站中文字幕。

Study the result makes clear, normal temperature ball grinds a condition to fall, cu-Cr mixed powder end realizes alloy to change; to grind the temperature inside coal tub when the ball hard under 10 ℃ when, cu-Cr mixed powder end forms Cr the solid solution in Cu.

探究結果表明，常溫球磨條件下未满十八禁止进入，Cu-Cr混合粉末難以實現(xiàn)合金化99riav在线；當球磨罐內溫度低于10℃時，Cu-Cr混合粉末形成Cr在Cu中的固溶體人人区人人爽人人澡欧美一区。

Powder metallurgy technology and equipment: Injection forming, pressing, fritting, breaking, polishing, sizing, drying, quenching, reducing, charring, mould and shooting etc

粉末冶金及硬質合金技術禁止观看的黄色视频、設備類：注射成形、壓制久久免费看少妇高潮A片不卡、燒結尤物国产在线精品三区蜜芽、破碎、研磨黄页精品在线视频、篩分午夜福利欧美性爱、干燥、淬火欧美国产综合、還原2av天堂网在线观看、碳化、模具免费一级在线视频播放、機床及制粒等粉末冶金應用技術和設備