Tag Archives: stress

Method for eliminating residual stress of welded modified thick steel plate structure

Application Number: 00110574Application Date: 2000.06.28Publication Number: 1331349Publication Date: 2002.01.16Priority Information: International: C21D9/50;C21D10/00Applicant(s) Name: Inst of Metals, Chinese Academy of SciencesAddress: Inventor(s) Name: Chen Huaining;Tan Shengyu;Liu QuanhongPatent Agency Code: 21002Patent Agent: zhang chenAbstract A method for eliminating the residual stress of welded thick modified steel plate features that 2-4 explosive bars (18-122X(10-15)mm) are laid on the… Read More »

Composite metal-polymer coating to prevent hot-alkali pressure container from cracking owing to stress and corrosion

Application Number: 00113817Application Date: 2000.05.22Publication Number: 1274766Publication Date: 2000.11.29Priority Information: International: C23C4/08;C23C4/18Applicant(s) Name: Xi'an Jiaotong Univ.Address: Inventor(s) Name: Han Zhihai;Chen Hua;Chen LiliPatent Agency Code: 61200Patent Agent: jia yujianAbstract The composite metal-polymer coating includes a Ni-Cr alloy base layer adhered to metal substrate, a Fe-Cr-Ni alloy face layer on the base layer, and a surface closing… Read More »

Method for eliminating boundary stress in upper silicone (SOI) on insulating layer formed by local oxygen injection

Application Number: 00115306Application Date: 2000.03.30Publication Number: 1272690Publication Date: 2000.11.08Priority Information: International: H01L21/324;H01L21/76Applicant(s) Name: Shanghai Inst. of Metallurgy, Chinese Academy of SciencesAddress: Inventor(s) Name: Wang Lianwei;Lin Chenglu;Duo XinzhongPatent Agency Code: 31002Patent Agent: pan zhensuAbstract The present invention provides a method for eliminating boundary stress in silicon (SOI) material on the insulating layer formed by adopting local… Read More »

Refractory high-molecular polymer composition able to quickly release internal stress and its preparing process

Application Number: 00123536Application Date: 2000.08.18Publication Number: 1338488Publication Date: 2002.03.06Priority Information: International: C08K5/521;C08L55/02;C08L69/00Applicant(s) Name: Su FengbaiAddress: Inventor(s) Name: Su FengbaiPatent Agency Code: 11127Patent Agent: liu chaohuaAbstract A high-molecular polymer composition is prepared through mixing polycarbonate with ABS resin, mixing butanediol naphthalate, and adding triphenyl phosphate as flame retarding agent and RDP with cellular structure. Its advantages… Read More »

Low assembly stress cast roll

Application Number: 00126689Application Date: 2000.11.20Publication Number: 1354051Publication Date: 2002.06.19Priority Information: International: B21B27/03Applicant(s) Name: Zhongnan Univ.Address: Inventor(s) Name: Zhang Lihua;Wu Yunxin;Huang MinghuiPatent Agency Code: 43200Patent Agent: gong canfanAbstract The present invention relates to a kind of cast roll, and is characterized by that on the assembly surfaces of roll core and roll sleeve of two ends… Read More »

Stress corrosion resistant low-alloy pipe cluster of air cooler

Application Number: 00106074Application Date: 2000.04.20Publication Number: 1271840Publication Date: 2000.11.01Priority Information: International: F28D1/00;F28D1/04;F28D1/06;F28F1/18Applicant(s) Name: Shu RuntaoAddress: Inventor(s) Name: Shu RuntaoPatent Agency Code: 00000Patent Agent: Abstract The present invention relates to an air cooling system used in petro-chemical and electric power fields. The low-alloy (12Cr2AlMoV) sheet material and finned tubes, which can resist the stress corrosion of… Read More »

Stress corrosion resistant low-alloy pipe cluster of air cooler

Application Number: 00106073Application Date: 2000.04.20Publication Number: 1271839Publication Date: 2000.11.01Priority Information: International: F28D1/00;F28D1/04;F28D1/06;F28F1/18Applicant(s) Name: Shu RuntaoAddress: Inventor(s) Name: Shu RuntaoPatent Agency Code: 00000Patent Agent: Abstract An air cooler used in petro-chemical and electric power air cooling systems features that the low-alloy (09Cr2AlMoRE) sheet material and finned tubes, which can resist the stress corrosion of H2S and… Read More »

Method and equipment for reducing internal stress in steel or iron workpieces by magnetic treatment of low-frequency pulses

Application Number: 00105940Application Date: 2000.04.21Publication Number: 1270234Publication Date: 2000.10.18Priority Information: International: C21D10/00Applicant(s) Name: Qinghua Univ.Address: Inventor(s) Name: Lu Anli;Fang Huizhen;Wu SuPatent Agency Code: 11201Patent Agent: liao yuanqiuAbstract A method for reducing internal stress in iron or steel workpieces features that the workpiece to be treated is put in a periodically varying magnetic field generated by… Read More »

Assembly-less stress sensor head for magneto-optical current transformer

Application Number: 00105939Application Date: 2000.04.21Publication Number: 1267833Publication Date: 2000.09.27Priority Information: International: G01R15/14Applicant(s) Name: Qinghua Univ.Address: Inventor(s) Name: Luo Chengmu;Ma Xianyun;Wang TingyunPatent Agency Code: 11201Patent Agent: luo wenqunAbstract The stress sensor head consists of a casing, a glass sensor head and current conductor. The current conductor is placed inside an aluminum alloy cylinder with an insulating… Read More »

Method for testing working stress of buildings structure in situ

Application Number: 00105222Application Date: 2000.04.05Publication Number: 1266182Publication Date: 2000.09.13Priority Information: International: G01L1/22Applicant(s) Name: Shenzhen Vocational Technologies CollegeAddress: Inventor(s) Name: Zhang ShuliangPatent Agency Code: 44101Patent Agent: wang xiongjieAbstract The method for site detecting working stress of building structure utilizes the principle of "local stressrelief" and includes the following steps: cutting a shallow groove on locality of… Read More »

Optic fibre for maximizing residual mechanical stress and method for mfg. fibre-optic grating using same

Application Number: 00104115Application Date: 2000.03.10Publication Number: 1266993Publication Date: 2000.09.20Priority Information: 1999/3/11 KR 8080/99International: C03B37/012;G02B6/02Applicant(s) Name: Samsung Electronics Co., Ltd.Address: Inventor(s) Name: Paek Un-Chool;Chong Yong-Joo;Kim Chang-SokPatent Agency Code: 72001Patent Agent: wu zengyongAbstract An optical fiber for maximizing residual mechanical stress and an optical fiber grating fabricating method using the optical fiber are provided. The optical fiber… Read More »

Ball grid array package capable of relieving stress

Application Number: 00104100Application Date: 2000.03.16Publication Number: 1267910Publication Date: 2000.09.27Priority Information: 1999/3/19 US 09/272517International: H01L21/58;H01L21/60Applicant(s) Name: International Business Machine Corp.Address: Inventor(s) Name: E. A. Johnson;J. S. CracegiePatent Agency Code: 72001Patent Agent: liang yongAbstract A method and structure for reducing thermally induced strains on the solder joints that couple a ball grid array (BGA) module to a… Read More »