Powder compact

Japanese: 圧粉体 - あつふんたい
Powder compact

Sintering is a process where the powder particles melt at a temperature lower than the melting point of the powder components, and the powder compact shrinks and densifies as the heating time increases. However, if the powder contains two or more components, and the melting point of the component with the smaller amount is lower than that of the component with the larger amount, the component with the smaller amount will melt and become liquid if the heating temperature is set to an intermediate value between the two. The densification phenomenon that occurs in this case is specifically called "liquid sintering" or "liquid sintering".

*Some of the terminology that refers to "compressed powder" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…粉末または圧粉体(粉末を圧縮して所定の形状としたもの)を,粉末成分の融点以下の温度で加熱した場合,粉末粒子の相互の接触面が接着し,加熱時間の増加とともに圧粉体が収縮・緻密化する現象を焼結という。ただし粉末の成分が2種またはそれ以上の場合,量が少ないほうの成分の融点が,量の多いほうの成分のそれよりも低いときには加熱温度を両者の中間の値とすると,少ないほうの成分は融解して液相となるが,この場合に生じる緻密化現象はとくに〈液相存在下の焼結〉または〈液相焼結liquid sintering〉と呼ぶ。…

※「圧粉体」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

<<:  Applanation tonometer - Applanation tonometer

>>:  Apple wine - Apple wine

Recommend

Phreatoicide

…They are divided into eight suborders: Gnathiide...

Functional training

Training such as exercise therapy is conducted to ...

Ivanov, Vyacheslav Vsevolodvich - Ivanov

...In the study of ancient records of Baltic myth...

Intermittent transmission device

The power extracted from prime movers such as elec...

Epiphanes - Epiphanes

…Second son of Antiochus III. (Epiphanes) After h...

paratenic host

…These larvae can remain infectious in a wide var...

Yamanaka [town] - Yamanaka

A former town in Enuma County in the southern part...

Toubkal (mountain) (English spelling) Jabal Ṭubqāl

Of the three Atlas Mountains that run east to west...

Firefly Jaco - Firefly Jaco (English spelling) glow belly

A marine fish of the Perciformes order, Percidae f...

Kurikuma - Kurikuma

It was an ancient place name (town name) in Kuse C...

Pavel I - Pavel

Russian Emperor (reigned 1796-1801). The eldest so...

Otsubo style

It is one of the old styles of horsemanship, foun...

Paranaguá (English spelling)

A city in the southeast of Paraná state in souther...

《嫐》 - roar

...The practice of the second wife (Uwanari), in ...

Flower spider - Misumenops tricuspidatus

A spider of the family Thomisidae in the order Ara...