In high toughness line-pipe material, inverse fracture is sometimes observed on fracture surface of Drop Weight Tear Test (DWTT) specimen. Inverse fracture is defined as the cleavage fracture that is observed after slant ductile fracture. The initiation point of inverse fracture is mostly located ...
1.The drop hammer impact testing machine is mainly used for ferrite steel drop weight tear test (ie DWTT). Also can be customized according to user needs in different forms of hammer and anvil to meet the requirements of other test methods. ...
K ywor s:drop-weightteartest(DWTT);highenergypendulumimpacttest;absorbedenergy;shearingarea 0前言 落锤撕裂试验是测试管线钢材料韧性的一种 方法,现已被广泛应用于抗脆性断裂扩展性能的 评价 [1] 。试验目的主要是建立断口形貌与温度的关 系,从而确定管线钢材料的韧脆转变温度,以保 证管线在韧性温度区内工作...
3) drop-weight test 落重试验4) drop weight tear test 落锤撕裂试验 1. The crack propagation rate of pipes was mainly dependent on FATT" of pipeline steel, and FATI" can be measured by drop weight tear test. 采用落锤撕裂试验(DWTT)方法对输油(气)管线钢API5LX65的止裂性能进行了试验研究...
网络落锤撕裂试验机 网络释义 1. 落锤撕裂试验机 落锤撕... ... ) drop weight tear test 落锤撕裂试验 )drop weight tear tester落锤撕裂试验机) DWTT specimen 落锤撕裂试样 ... www.dictall.com|基于2个网页
5) drop hammer test machine 落锤试验机6) drop weight tear test 落锤撕裂试验 1. The crack propagation rate of pipes was mainly dependent on FATT" of pipeline steel, and FATI" can be measured by drop weight tear test. 采用落锤撕裂试验(DWTT)方法对输油(气)管线钢API5LX65的止裂性能进行...
Drop Weight Tear Test of Linepipe Materials by Using Laterally Compressed Specimens The use of pressed notch drop weight tear test (PN-DWTT) for a highly ductile linepipe steel encounters an abnormal fracture appearance, and raises difficu... T Ishihara,J Kondo,T Kitada,... - 《Transactions...
The aim of this study was to analyze the mechanical properties of a X65 low Mn and high Nb steel for sour service application, particularly the drop-weight-tear test (DWTT) performance in order to establish correlation with the microstructural and crystallographic features of a steel with complex...
4) drop weight tear test 落锤撕裂试验 1. The crack propagation rate of pipes was mainly dependent on FATT" of pipeline steel, and FATI" can be measured by drop weight tear test. 采用落锤撕裂试验(DWTT)方法对输油(气)管线钢API5LX65的止裂性能进行了试验研究。 更多例句>> ...
Dwtt Pipe Line Steel Drop Weight Tear Tester Impact Testing Machines US$800.00-1,000.00 1 Set (MOQ) Double Wing Pneumatic Drop Testing Machine US$2,900.00-3,500.00 1 Piece (MOQ) Helmet Drop Testing Equipment/ Sports Helmet Falling Testing Mac...