Kini Cast Tungsten Carbide Powder

Simẹnti tungsten carbide lulú ni WC ati eto eutectic W2C eyiti o ṣe afihan irisi grẹy dudu kan. Simẹnti tungsten carbide lulú jẹ iṣelọpọ nipasẹ ilana ilọsiwaju: tungsten irin ati tungsten carbide powders ti wa ni idapọ ati ṣajọpọ sinu ọkọ oju-omi graphite kan. Papọ, wọn gbona ni ileru didan ni 2900 ° C ati pe o waye fun akoko kan lati gba bulọọki simẹnti ti o ni awọn ipele WC ati W2C eutectic pẹlu iwọn ọkà ti 1 ~ 3 μm.

O ṣe afihan yiya to dayato ati atako ipa, bakanna bi ohun-ini lile lile, ni awọn iwọn otutu giga. Awọn iwọn ti patiku carbide tungsten lati 0.038 mm si 2.362 mm. Lile: 93.0 ~ 93.7 HRA; micro-lile: 2500 ~ 3000 kg / mm2; iwuwo: 16.5 g/cm3; yo ojuami: 2525°C.

Išẹ ti ara ti simẹnti tungsten carbide lulú

Iwọn Molar: 195.86 g / mo

iwuwo: 16-17 g/cm3

Oju Iyọ: 2700-2880°C

Oju ibi farabale: 6000°C

Lile: 93-93.7 HRA

Modulu odo: 668-714 GPa

Ipin Poisson: 0.24

Awọn ohun elo ti simẹnti tungsten carbide grits

1. Wọ dada (aṣọ-sooro) awọn ẹya ara ati awọn aṣọ. Awọn apakan ati awọn aṣọ wiwu ti o faragba fretting, abrasion, cavitation, ati ogbara patiku gẹgẹbi awọn irinṣẹ gige, awọn irinṣẹ lilọ, awọn irinṣẹ ogbin, ati awọn ibora lile.

2. Diamond Ọpa Matrix. Wa setan-lati-infiltrate tabi gbona-tẹ simẹnti tungsten carbide powders ti wa ni lo bi awọn matrix lulú lati mu ati ki o atilẹyin awọn Diamond gige ọpa. Olumumu ngbanilaaye ifihan diamond to dara julọ ti o nilo fun iṣẹ ṣiṣe irinṣẹ to munadoko.

Awọn ọna iṣelọpọ ti simẹnti tungsten carbide lulú

1. Gbona sokiri ilana. Simẹnti tungsten carbide girts le jẹ itọsẹ gbona lati ṣe awọn aṣọ wiwọ oju lile lori awọn ibi-ilẹ ti o nilo alekun resistance yiya.

2. Infiltration. Simẹnti tungsten carbide, irin tungsten isokuso, tabi tungsten carbide powders ti wa ni infiltrated pẹlu kan omi irin (fun apẹẹrẹ. Ejò-orisun alloy, idẹ) lati dagba awọn apakan. Simẹnti tungsten carbide powders ni awọn agbara infiltration ti o tayọ ati awọn abuda ti o jẹ ki awọn alabara wa ṣe akanṣe ojutu ifigagbaga fun igbesi aye iṣẹ pọ si ati irọrun apẹrẹ.

3. Powder Metallurgical (P / M). Simẹnti tungsten carbide powders ti wa ni titẹ sinu awọn ẹya nipasẹ titẹ gbona ati sintering.

4. Pilasima Gbigbe Arc (PTA) Welding. Nitori weldability ti o dara julọ ti simẹnti tungsten carbide lulú, o jẹ igbagbogbo loo si ohun elo nipasẹ ilana alurinmorin PTA.

5. Dip Coatings. Awọn aṣọ bii awọn ti a rii ni awọn amọna, awọn irinṣẹ liluho, ati awọn apakan ti o kan pẹlu sisẹ awọn media abrasive jẹ ti a bo pẹlu simẹnti tungsten carbide ti n pese ipari dada pẹlu lile lile ati wọ resistance.