The exceptional tool performance of sintered carbides results from their very high hardness and high compressive strength.

硬質(zhì)合金材料的出色之處來(lái)源于它們非常高的硬度和耐壓強(qiáng)度久久免费无码Av级毛片。

Nb2O5 cathodes with different density were prepared by sintered and influence of density of the cathodes on electrondeoxidation was researched.

對(duì)不同密度的 Nb2O5粉末燒結(jié)陰極的制取以及燒結(jié)陰極密度對(duì)電脫氧 Nb2O5的影響進(jìn)行了研究国产污色视频在线观看。

Clinkers are nodules (diameters, 0.2-1.0 inch [5-25 mm]) of a sintered material that is produced when a raw mixture of predetermined composition is heated to high temperature.

水泥熟料是一種燒結(jié)的小顆粒(直徑通常是0.2-1.0'')，由預(yù)先確定了化學(xué)成分的生料混合物加熱至高溫而得到的欧美综合性爱视频。

With the help of large plasma generation and the pressure, both of the samples sintered at 900℃ and 1100℃ are densified.

這主要是由于等離子體的產(chǎn)生人人人做人人爽欧美人，從而破壞粉末表面氧化物薄膜，使樣品表面清潔得以充分接觸黑人与人妻无码中文字幕，加之燒結(jié)的時(shí)間較短和壓力的施加等因素造成的免费又粗又长又爽又黄。

The results show that B4C ceramics can be fully densified by the addition of SiB6 and thus the mechanical properties of the sintered samples are effectively improved.

結(jié)果表明： SiB6能有效地促進(jìn)B4C的燒結(jié)，并有助于提高材料的力學(xué)性能久久久性交。

When preset heating rate is 2000℃/s and pretreated compact of NdFeB alloys is sintered at 1000℃for 8min, densified magnet is obtained.

當(dāng)預(yù)設(shè)升溫速度為2000℃／s時(shí)在线视频插，經(jīng)過(guò)預(yù)處理的NdFeB合金壓坯在1000℃×8min的電場(chǎng)燒結(jié)后，即可得到較致密的燒結(jié)磁體免费国产在线看。

It is found that Cr〓O〓 materials are hard to be sintered and densified unless the sintering process is in the reductive atmosphere.

研究表明九九色这里只有精品视频，只有在還原性氣氛下，才能于1550℃較低溫度下燒結(jié)致密欧美自拍另类综激情亚洲。

When preset heating rate is 500℃/s and the non-pretreated NdFeB alloy compact is sintered at 600℃, relatively densified compact can obtain.

未經(jīng)預(yù)處理的NdFeB合金生坯當(dāng)預(yù)設(shè)升溫速度為500℃／s時(shí)欧美操逼网址，在600℃的低溫即可使壓坯基本燒結(jié)致密化，磁體中白色富Nd相的分布既很均勻也很彌散97资源共享夫妻福利视频。

Since 1983, the technology of sintered NdFeB is gradually perfect, and its application is comparatively far-ranging.

燒結(jié)NdFeB永磁材料歷經(jīng)20余年的發(fā)展日韩大片在线观看免费播放，技術(shù)日趨成熟，應(yīng)用相當(dāng)廣泛国产午夜免费A片完整版视频网站。

The sintered film of paste is prepared with milling glass frits.

采用機(jī)械球磨后的玻璃粉制成漿料燒結(jié)膜国产黄在线播放免费观看。