5篇
您的检索式：作者名="Xitang TIAN"
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| 1 | Preventing welding hot cracking by welding with an intensive trailing cooler显示文摘 | Tian Xitang Shi Qingyu | 2000 | Journal of Materials Processing Technology2000，97，2： | 1 |
| 2 | Welding Distortion Control of Thin Al Alloy Plate by Static Thermal Tensioning显示文摘The mechanism and effectiveness of welding distortion mitigation by static thermal tensioning were investigated by both finite element analysis and experiments. It shows that preset thermal tensioning can reduce longitudinal plastic compression remained in the weld and its adjacent zone significantly, so decrease the longitudinal residual stress and the susceptibility to welding distortion. | Shaoqing GUO Xiaohong LI Wenli XU Xuesong LIU Xin WAN Xitang TIAN | 2001 | Journal of Materials Science & Technology2001，17，1： | 1 |
| 3 | A New Method for Welding Aluminum Alloy LY12CZ Sheet with High Strength显示文摘 | Xu Wenli Tian Xitang Liu Xuesong | | 0，，02： | 1 |
| 4 | A new method--the inverse strain method(ISM)for preventing welding hot cracking of high strength aluminium alloy LY12CZ显示文摘In this paper a new method for preventing welding hot cracking—theinverse strain method(ISM)is developed on the principle of welding mechan-ics.Effectiveness and feasiblity of method in preventing welding hot cracking ofhigh strength aluminum alloy LY12CZ by synchronous rolling during welding(SRDW)along both sides of the weld at a suitable distance behind the weldingarc are examined.Experimental resulte indicate that welding hot cracking ofLY12CY can be effectively prevented and the mechanical properties of weldedjoint can also be improved by the method.It is an important new solution forpreventing hot cracking in welding of sheet metal. | Tian Xitang Zhang Xiuzhi Liu weiping Harbin Institute of Technology | 1992 | China Welding1992，2，2： | 0 |
| 5 | A J-INTEGRAL ANALYSIS OF CRACKS IN OVERMATCHED WELDED JOINTS显示文摘The effects of material inhomogeneity and weld width of the overmatched welded joints with alongitudinal crack or flaw upon the J-interal,a characterizing parameter for elastoplasticfracture,have been studied.The overmatched weld is idealized to be a parallelly cracked andsandwiched hard layer,the yieht stress of which is higher than that of the base metal.Numeri-cal solutions were obtained by using elastoplastic finite element method under the assumptionof plane stress.The resuits show that the values of J-integral are remarkably affected by thematerial inhomogeneity ant the weld width especially when the nominal stress or nominalstrain is comparatively high,which,therfore,should be taken into account when evaluatingthe crack driving force for an overmatched joint. | MA Weidian Tsinghua University,Beijing,ChinaZHANG Shicheng TIAN Xitang Haribin Institute of Technology,Harbin,China Dept.of Mechanical Engineering,Tsinghua University,Beijing,China | 1989 | Acta Metallurgica Sinica(English Letters)1989，2，7： | 0 |
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