Tag Archives: carbide

Equipment for producing triferric carbide

Application Number: 00118319Application Date: 1996.05.27Publication Number: 1285313Publication Date: 2001.02.28Priority Information: 1995/5/31 JP 158511/95; 1996/2/19 JP 30985/96International: C01B31/30;C21B15/00Applicant(s) Name: Kawasaki Jokogyo K.K.Address: Inventor(s) Name: Miyashita Torakatsu;uchiyama Yoshio;Inone EijiPatent Agency Code: 11105Patent Agent: zhang bengyuanAbstract Disclosed is a device for producing triferric carbide, including: first reaction unit, which connects to first cyclic loop of first reactive gas… Read More »

Process for preparing silicon carbide crystal whisker from river sand

Application Number: 00120789Application Date: 2000.07.14Publication Number: 1276340Publication Date: 2000.12.13Priority Information: International: C01B31/36;C30B29/36;C30B29/62Applicant(s) Name: Qinghua Univ.Address: Inventor(s) Name: Pan Wei;Huang Yue;Chen JianPatent Agency Code: 11201Patent Agent: luo wenqunAbstract A process for preparing silicon carbide crystal whisker with length/diameter ratio of 20 : 1 using river sand as raw material includes such steps as pickling with diluted… Read More »

Energy-saving low-pollution process for preparing raw material of calcium carbide furnace

Application Number: 00122023Application Date: 2000.07.21Publication Number: 1283586Publication Date: 2001.02.14Priority Information: 1999/11/8 CN 99124428.1International: C01B31/32Applicant(s) Name: Xu ShanliangAddress: Inventor(s) Name: Xu ShanliangPatent Agency Code: 00000Patent Agent: Abstract A process for preparing the raw material of calcium carbide generator uses calcium lime and carbon as its raw materials and includes pulverizing, adding water, pressing or rolling for… Read More »

Process for preparing silicon carbide with by-product of graphite blocks

Application Number: 00122108Application Date: 2000.07.17Publication Number: 1334236Publication Date: 2002.02.06Priority Information: International: C01B31/04;C01B31/36Applicant(s) Name: Yin ZhongfuAddress: Inventor(s) Name: Yin ZhongfuPatent Agency Code: 21212Patent Agent: li hongfuAbstract A process for preparing silicon carbide as primary product and graphite blocks as by-product features that the core material of furnace is the charcoal blocks generated by calcining waste and… Read More »

Copper-tungsten carbide contact material

Application Number: 00126115Application Date: 2000.08.21Publication Number: 1338527Publication Date: 2002.03.06Priority Information: International: C22C1/10;C22C9/00;H01H1/02Applicant(s) Name: Fuda Electrical Alloy Maerials Co Ltd, Leqing CityAddress: Inventor(s) Name: Hu Xingfu;Zhang QiminPatent Agency Code: 33100Patent Agent: hu gongjuanAbstract A non-silve copper-base contact material for low-voltage leakage switch contains tungsten cupride (8-10 wt.%), graphite (0.8-2) and copper (rest). It has the improved… Read More »

Metal carbide coating to prevent hot corrosion of boiler overheater in power station

Application Number: 00113819Application Date: 2000.05.22Publication Number: 1274767Publication Date: 2000.11.29Priority Information: International: C23C4/10;F16L58/04Applicant(s) Name: Xi'an Jiaotong Univ.Address: Inventor(s) Name: Han Zhihai;Chen Hua;Chen LiliPatent Agency Code: 61200Patent Agent: jia yujianAbstract The metal-carbide coating includes a Ni-Cr-Al alloy base layer adhered to metal substrate, a mixed NiCr-Cr3C2 and NiCrAl face layer covering the base layer, and a surface… Read More »

Preparation of composite hard alloy powder of tungsten carbide and titanium cobalt carbide

Application Number: 00110137Application Date: 2000.02.23Publication Number: 1310244Publication Date: 2001.08.29Priority Information: International: C22C1/05;C22C29/08Applicant(s) Name: Inst. of Metals Research, Academia SinicaAddress: Inventor(s) Name: Yang Mingchuan;Zhao Tiemin;Xu MinPatent Agency Code: 21002Patent Agent: zhang chenAbstract The composite hard alloy powder contains WC 55-75 wt%, and TiC 15-35 wt% other than Co. The preparation features that soluble salts of W,… Read More »

Device for producing high temperature silicon carbide semiconductor material

Application Number: 00109107Application Date: 2000.06.07Publication Number: 1327092Publication Date: 2001.12.19Priority Information: International: C30B25/02;C30B29/36Applicant(s) Name: Semiconductor Inst., Chinese Academy of SciencesAddress: Inventor(s) Name: Li Jinmin;Sun Guosheng;Zhu ShirongPatent Agency Code: 11021Patent Agent: tang baobengAbstract The high temperature silicon carbide semiconductor material producing equipment includes one front stage sample introducing chamber, one sample transferring unit, one sample growth unit,… Read More »

Preparation process of superfine carbide powder by direct reduction carbonization in pipe furnace

Application Number: 00107259Application Date: 2000.04.30Publication Number: 1321558Publication Date: 2001.11.14Priority Information: International: B22F9/20;C22C1/04;C22C29/08Applicant(s) Name: Beijing Univ. of Science & TechnologyAddress: Inventor(s) Name: Zhang Liying;Wu Chengyi;Yan HongboPatent Agency Code: 11207Patent Agent: liu rueAbstract A technological process for preparing WC or composite alloy powder for making nanometer-grade superfine granule hard alloy by means of direct reduction and carbonation… Read More »

Process for preparing Sailong and silicon carbide combined ceramic powder from river sand

Application Number: 00105941Application Date: 2000.04.21Publication Number: 1270153Publication Date: 2000.10.18Priority Information: International: C04B35/565;C04B35/569Applicant(s) Name: Qinghua Univ.Address: Inventor(s) Name: Pan Wei;Huang Yue;Chen JianPatent Agency Code: 11201Patent Agent: luo wenqunAbstract A process for preparing Sailong and silicon carbide combined ceramic powder from river sand includes such steps as selecting raw material, dewatering, mixing with carbon powder, ball grinding… Read More »

Preparation of silicon carbide grain-filling cast composite nylon material

Application Number: 00103503Application Date: 2000.03.24Publication Number: 1265402Publication Date: 2000.09.06Priority Information: International: C08G69/16;C08K3/34Applicant(s) Name: Qinghua Univ.Address: Inventor(s) Name: Li Guolu;Wang Kunlin;ZLiu JiajunPatent Agency Code: 11201Patent Agent: luo wenqunAbstract Silicon carbide grain is first pre-treated by adding coupling agent and then mixed homogeneously with caprolactam monomer. The mixture is heated to smelt, dewatered, mixed with catalyst, etc.… Read More »