对某厂x 80高钢级管线钢母材、焊缝、热影响区进行了夏比冲击韧性试验,对其有效晶粒进行了研究。
The Charpy impact test of base metal, weld and heat affected zone of X80 grade pipeline steel of certain factory was conducted, and its effective grain was researched.
各种数据的获得借助于拉力试验机、悬臂梁冲击试验机、热重分析仪、和氧指数仪等各种分析测试手段。
Experimental data were obtained by means of all kinds of instruments such as a tensile machine, an Izod impact test machine, thermogravimetric analysis, limit oxygen index (LOI) instrument and so on.
试验观察热冲击、不同盐度对太湖新银鱼仔鱼成活情况的影响。
The influence of heat shock and different salinity on the fry fish was observed.
采用浸泡腐蚀试验和腐蚀前后的冲击试验并借助于扫描电镜观察,研究了热强碱介质中高锰钢的腐蚀速率和冲击韧度。
The corrosion weight loss rate and impact toughness of high Mn steel in hot concentrated caustic solution were studied by using immersed corrosion, impact test and SEM.
本文采用热态试验和数学模拟的方法,研究了金属板坯在快速冲击加热炉内被射流冲击加热时的内外部传热机构。
The mechanism of heat transfer during sheet metals heating with impinging jet in a rapid heating furnace is studied with experiments and mathematical simulating methods.
在TCS不锈钢前期焊接试验中发现其焊接接头热影响区的冲击吸收功值在熔合线附近较低,原因是接头热影响区晶粒粗大所致。
In welding test of TCS stainless steel, it was found that impact absorbing energy of heat-affected zone (HAZ) near bond line in welded joint was low.
采用焊接热模拟试验和冲击试验,研究了X80管线钢焊接热循环对粗晶区组织性能的影响。
The influence of welding thermal cycle on structure and properties in grain-coarsening region of X80 pipeline steel was investigated by weld thermal simulation technique and the charpy test.
在冲击试验中,引入红外热成像技术模拟、估算局部温度;
The transient temperatures during crushing were measured with a thermal infrared imaging technology.
本试验改进了草莓果脯的加工工艺,在不需加热和热冲击的条件下,保持了草莓特有的香气和色泽。
Technological process of strawberry preserved fruit was Studied. Compared with trtaditional method, sweet smell and color of strawberry were preserved. in not heating and hot lash.
应用仪器化冲击试验机对聚乙烯热熔对接焊的冲击性能进行了测试,并对几种实际焊接情况进行了分析。
Impact strength of fusion butt welding joint of polyethylene pipes was tested with a digital impact tester, and some actual fusion welding cases were commented.
在TCS不锈钢前期焊接试验中发现其焊接接头热影响区的冲击吸收功值在熔合线附近较低,原因是接头热影响区晶粒粗大所致。
In welding test of TCS stainless steel, it was found that impact absorbing energy of heat-affected zone (HAZ) near bond line in welded joint was low. The reason is coarse grain in HAZ.
针对涡轮叶片的热冲击疲劳寿命实验,提出了一种新的对比实验方案和措施:将实验叶片和参照叶片组合在同一组试验叶栅上,并且在试验过程中定期对调两种叶片的安装位置。
A new comparative test approach is provided for the thermal fatigue life experiments of turbine blade under thermal shock. The tested blades and reference blades were mounted in a common vane cascade.
通过焊接热模拟试验和冲击韧性试验,研究了不同预热温度对X80级管线钢组织性能的影响。
Welding thermal simulation technique is adopted to study the influences of twice thermal cycle on the structure and properties of X80 pipeline steel.
采用焊接热模拟技术、显微组织分析和冲击试验的方法,研究了焊接线能量对X70管线钢焊接热影响区组织和低温韧性的影响规律。
The effect of welding line energy on microstructure and low temperature toughness of heat-affected zone(HAZ) of X70 pipeline steel was studied by welding thermal simulation method.
通过焊接热模拟试验和冲击韧性试验,研究了不同预热温度对X80级管线钢组织性能的影响。
The effect of hot bending and heat treatment thermal cycles on the mechanical properties of X80 grade steel pipe was evaluated.
通过焊接热模拟试验和冲击韧性试验,研究了不同预热温度对X80级管线钢组织性能的影响。
The effect of hot bending and heat treatment thermal cycles on the mechanical properties of X80 grade steel pipe was evaluated.
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