haz

Be responsible for bearing laser marking HAZ depth measurement and final metallurgical inspection of carburized steel.

负责激光标印HAZ深度的测试和渗碳钢的最终冶金检查.

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The results showed that Ti and Ti compound oxides could promote the formation of acicular ferrite, the low temperature toughness of high heat input welding HAZ significantly improved.

结果表明，Ti及Ti的复合氧化物具有促进晶内针状铁素体形核的能力，大热输入焊接时HAZ的低温韧性显著提高。

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The welded seam of the TWB jointed by LBW contained large quantity tiny equiaxial crystal and the heat-affected-zone ( HAZ) was not obvious, the columnar crystals and cellular dendrite near the bond line were grown in the orientation of radiation.

激光拼焊板焊缝中心为大量细小的等轴晶；热影响区不明显，在熔合线附近存在少量沿散热方向生长的柱状晶和胞状树枝晶。

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In this paper the HAZ weld thermal cycles of the welding by both sides submerged arc welded steel pipe were reproduced by the dislocation overlap weld method.

采用焊道错位叠加方法，再现了螺旋管双面埋弧焊制管过程中内、外焊焊接热影响区（HAZ）的焊接热循环。

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Improvement of HAZ Toughness in High Strength Steels under High Heat Input.

采用细小贝氏体改进大线能量高强度钢板的热影响区(HAZ)韧性.

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Results showed that hardness is a little different in the heat affected zone ( HAZ ).

结果表明,焊接热影响区具有较小的 硬度 差异.

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The results show that SCC susceptibility of various position for welded joint in artificial seawater is different, the HAZ is most susceptible to SCC and k1 value is the lowest.

结果表明，焊接接头各部位在人造海水中的应力腐蚀开裂敏感性有很大差异，其中热影响区（HAZ）对SCC最敏感，K1值最低；

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This paper, connected with practical production of ERW steel pipe, discussed the effect mechanism of the bond width, HAZ width and stream line angle caused by heat input, upsetting force and welding speed during the welding of ERW steel pipe.

本文结合生产实际论述了ERW焊接时输入热量、挤压力、焊接速度对熔合线宽度热影响区宽度、流线上升角的影响机理。

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Hardness measurement on welding thermal simulated specimens and cross weld specimens showed that no softening occurred in the HAZ. All the cross weld tensile specimens ruptured in the base metal.

无论是焊接热模拟试件还是焊接接头硬度测试均表明HAZ不存在软化问题，接头拉伸试验断在远离热影响区的母材上。

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Most of the cracks in the stretching process originate in the HAZ.

拉伸过程中大部分裂纹起源于HAZ区。

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Effect of the parameters in Weld Thermal Cycle on HAZ Grain of Microalloy Steel

焊接热循环参数对微合金化钢热影响区晶粒的影响

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Culture Region Susceptibility of liquation crack in HAZ of nickel base alloys

镍基合金焊接热影响区的液化裂纹敏感性

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In preheated HAZ the rupture fracture is an overwhelming majority and a little hydrogen-embrittlement quasi-cleavage fracture can be found.

预热时绝大部分是等轴韧窝断口，但也有少量沿晶和氢致准解理断口。

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It was found that welding could reduce the corrosion fatigue properties of CF-60 steel because the fatigue properties of the Imcomplete Recrystal Zone ( IRZ) in HAZ were worse than those of matrix and the other zones.

其原因在于，焊接热影响区中的不完全重结晶区的腐蚀疲劳性能低于母材和其它组织区的疲劳性能。

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It was found that the HAZ has a medium temperature transformation characteristics in a wide range of cooling rates, with the bainite sheaves consisting of bainite ferrite plates without carbide precipitation and M-A in the fast cooling regime.

在较宽的冷却速度范围内，焊接热影响区发生的组织转变呈现中温转变特征。在较快的冷却速度条件下，得到的贝氏体板条间无碳化物析出物和M-A岛。

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in this paper, the grain growth in the haz of three kinds of ultra-fine grain steels such as low carbon steel, commercial x65 steel and high purity x65 steel were evaluated.

研究了低碳钢、普通市售X65钢和高洁净度X65钢三种超细晶粒钢焊接HAZ的晶粒长大倾向。

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Charpy toughness and local brittleness of HAZ of X 80 line pipes made in China were studied.

研究了国产X80级管线钢热影响区的冲击韧性和组织的局部脆化.

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If a temper bead technique is used to control the maximum hardness of the HAZ then any change in the bead sequence or placement of the temper bead shall require a new qualification.

如果回火焊道技术被用于控制热影响区最大硬度，那么任何焊道次序或回火焊道布置的改变都需要重新评定（焊接工艺）。

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In this paper, by weld thermo-simulation test with different peak temperatures, the variation of HAZ charpy impact toughness of Cr-Al steel was determined.

本研究采用模拟焊接热循环试验方法，测定了Cr-Al钢被加热到不同峰值温度后热影响区冲击韧性的变化。

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The former experiment reveals that preheating effect of plasma arc on workpiece benefit wetting of filler metal and when plasma current inceases, grain of bond area refines, but HAZ expands.

前者实验研究表明等离子弧对工件的加热作用促进了填充金属的表面铺展，随着等离子弧电流的增大，熔合区晶粒细化，但是热影响区扩展。

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At the HAZ of thinner sheet, hardness is lower than the base metal. But for 5056, hardness of welds of TWB is about equal to base metal for two welding process with or without the addition of filler metal powder.

而5056拼焊板焊缝的显微硬度在填粉和不填粉两种情况下都与母材的相当。

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Toughness distributions of different area on HAZ of grade X 80 pipeline steel have been studied.

研究了X80级管线钢焊接热影响区不同区域的韧性分布.

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Fracture toughness of heat-affected zone ( HAZ ) was between the base metal and weld metal.

焊接热影响区的断裂韧性介于母材和焊缝金属之间.

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In HAZ, crystalline particles are coarse and has high hardness and is apt to cause local corrosion, thus it is a high SSCC sensitive area.

HAZ晶粒粗大、硬度高，局部腐蚀倾向大，由此导致该区SSCC敏感性高。

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The HAZ Grain Growth Diagram of the New Generation Steel with Yield Strength 400 MPa

400MPa级新一代钢铁材料焊接热影响区晶粒长大图

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Hydrogen embrittlement index ( 1%) of welds and heat affected zone ( HAZ) of C-Mn steel welded joints are studied by means of smooth and notched tensile specimen.

用光滑和缺口拉伸试件，对C-Mn钢的焊态和焊接热影响区的热模拟态进行氢脆敏感性指数的研究，并进行了金相与断口的SEM，TEM，AES的微区分析。

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Influence of thermal cycle on impact toughness of HAZ of high-Nb pipeline steel

热循环对高铌管线钢焊接热影响区冲击韧性的影响

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At the same time, the depth of die heat affected zone ( HAZ) transfer law and influential mechanism of temperature wave have been analyzed, which lay a foundation for further research of temperature field and thermal stress filed of die. calculation of casing thermal stress;

同时分析了温度波在模具中的传递规律，热影响区范围与影响机理，为进一步开展锻模温度场与热应力场的研究提供了基础。

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Compared with reference distribution of NCHS/ WHO, the distribution of HAZ and WAZ shifted left significantly.

与NCHS/WHO标准分布比较，新疆儿童HAZ和WAZ的分布显著左移。

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