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<table cellpadding="3" cellspacing="0" width="100%" class="forumline"> <thead> <caption><table border="0" cellspacing="0" cellpadding="0" width="100%" class="forumheader"> <tr> <td align="left" valign="bottom" width="25"><img src="http://picsrv.fora.pl/AcidTechTiger/images/hdr_left.gif" width="25" height="27" alt="" /></td> <td align="center" class="forumheader-mid">Topic review</td> <td align="right" valign="bottom" width="25"><img src="http://picsrv.fora.pl/AcidTechTiger/images/hdr_right.gif" width="25" height="27" alt="" /></td> </tr></table></caption> </thead> <tbody> <tr> <th class="thCornerL" width="22%" height="26">Author</th> <th class="thCornerR">Message</th> </tr> <tr> <td width="22%" align="left" valign="top" class="row1"><span class="name"><a name=""></a><b>lompiacv</b></span></td> <td class="row1" height="28" valign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="100%"><img src="http://picsrv.fora.pl/AcidTechTiger/images/post_old.gif" width="12" height="9" alt="Post" title="Post" border="0" /><span class="postdetails">Posted: Mon 0:17, 03 Jan 2011<span class="gen"> </span> Post subject: air jordans Application of low-carbon martensite h</span></td> </tr> <tr> <td colspan="2"><hr /></td> </tr> <tr> <td colspan="2"><span class="postbody">Application of low-carbon martensite hardening process <br /> <br /> <br />Quenching +180 ~ 190 ℃ tempered,<a href="http://www.airjordansshoescheapnike.com" target="_blank">air jordans</a>, low-carbon parts to obtain 100% martensite, the best mechanical properties, hardness 45HRC about mechanical properties of the = 1529.8MPa, d0.2 = 1343.5MPa, 6 = 12% [. 7ZG28SiMnVCu steel mines small railway turnout strong impact and friction in the role of service, requires the application of a certain hardness, stiffness, toughness and contact fatigue strength better. By ZG28SiMnVCu steel pouring into the overall turnout low-carbon martensite after the quench hardening, can be achieved with the use of performance requirements. After annealing the turnout in the (600 ~ 700) ℃ preheating + (920 ~ 930) ℃ quenched after holding dynamic information of people ~ ~ 10% NaCI solution +200 ± 54 \fire, and get the same inside and outside the lath martensite, hardness 44 ~ 45HRC, the mechanical properties for the = I350 ~ l455MPa, h = l725 ~ l745MPa, 6 = l2% ~ I3%, II) = 48% ~ 5O%, ak = 59 ~ 64J/cFII River. After many years of use mine narrow gauge railway, the early turnout was no fracture, wear,<a href="http://www.stivaliuggboots.com" target="_blank">ugg milano</a>, fatigue cracking, deformation failures. References [1] Li Xiangdong. Golden mole heat treatment [J], 1991,48 (3). [2] Chen Fufu. Heat Treatment of Metals [J], 1989.8 (<img src="http://picsrv.fora.pl/images/smiles/icon_smile.gif" alt="Smile" border="0" /> [3] Zhang Jin and so on. Heat Treatment of Metals [J], 1996,34 (3). [4] as high as Jin. Heat Treatment of Metals [J], 1990,43 (3). [5] Yan Liu Xiang. Heat Treatment of Metals [J], 1998,<a href="http://www.stivaliuggitalia.org" target="_blank">ugg prezzo</a>,30 (6) [6] Zhao Jinsheng. Heat Treatment of Metals [J], 1989,6 (3) [7] Li Renshun and so on. Heat Treatment of Metals [J], 1991,53 (1). [8] Du Shuchang. Heat Treatment of Metals [J], 1994,25 (4). [9] Nie Sujun. Heat Treatment of Metals [J], 1996,28 (7). [10] Wang Rongbin and so on. Heat Treatment of Metals [J], 1996,24 (7). Received Date :2002 -05-132002 controlled atmosphere heat treatment in Shanghai and gas furnace for the application of technical seminars held in controlled atmosphere heat treatment techniques to promote the continued development of natural gas to meet the East China Sea oil and gas development and implementation of the project to promote natural gas in the control heat treatment and the application of heat treatment furnace,<a href="http://www.stivaliuggitalia.org" target="_blank">ugg italia</a>, controlled atmosphere heat treatment Heat Treatment Association of Shanghai Cooperation Group invited the Furnace Industry Co., Ltd. of Japan and foreign experts, in the Shanghai Science Hall on July 10, 2002 held a \and application of technology exchange gas furnace. \To the furnace will be the company's Japanese and foreign friends, Heat Treatment Division of the company and business minister and head of China Chang Tian Yamamoto, foreign furnace (Shanghai) Ltd City Miss Tian Fangzi, as well as technical experts and other line Ministers eight. Heat Treatment Association Mr. Guo Haixiang Shanghai welcoming remarks, followed by Japanese companies and foreign furnace Tian Shan Chang behalf of the company in this speech, he introduced the company profile and enthusiasm in the development of Shanghai's recent developments. The company's technology and Mr. Saburo Minister dqlI Thermal Division Section Chief Sakamoto were made by Mr. Shi Jia \The two experts also answered in detail questions raised by the participants. Meeting a warm atmosphere. Finally, by the Association as vice president of Lok Fong made his concluding remarks, congratulated the success of the meeting. Shanghai controlled atmosphere heat treatment started in the early 60s of last century, but long-term to \inexpensive, high quality, safe, convenient natural gas, will promote the Shanghai and the surrounding areas controlled atmosphere heat treatment of the development. The meeting held only with the avant-garde nature of the event, and very timely. Japanese foreign furnace company is our old friend. early In the early 60s of last century the company controlled atmosphere heat treatment equipment to enter the Chinese market first, welcomed by the heat treatment industry, the natural gas application-centric exchange of technology, the company will also meet in the East China Sea and the West that we East gas transmission project for further cooperation,<a href="http://www.airjordansshoescheapnike.com" target="_blank">air jordan shoes cheap</a>, and open a new chapter. (reported in the implementation). <Heat \ <br />相关的主题文章： <br /> <br /> <br /> <a href="http://www.cencun.net/home/space.php?uid=26947&do=blog&id=224054" target="_blank">ugg italia Fine aluminum market analysis and forec</a> <br /> <br /> <a href="http://voetbalcafe.forumup.nl/viewtopic.php?p=30006&mforum=voetbalcafe#30006" target="_blank">air jordans Branch Pipe of piping natural frequenc</a> <br /> <br /> <a href="http://www.gyws.gov.cn/index.asp" target="_blank">Electrolytic production of new measures to extend the cell life _1378</a></span></td> </tr> </table></td> </tr> <tr> <td colspan="2" class="spaceRow"><img src="http://picsrv.fora.pl/AcidTechTiger/images/spacer.gif" alt="" width="1" height="1" /></td> </tr> </tbody> </table>
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