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- base metal fusion zone 母材熔合区
- In transient crack zone, the SEM fractographs of base metal consisted of equal-axis ductile voids, the fusion zone was mainly consisted of course transgranular cleavage facets. 在瞬断区，母材由等轴韧窝组成，而熔合区主要为粗大的穿晶解理平面。
- Both FZ and HAZ have higher microhardness than the base metal has, and microhardness in fusion centre zone is the lowest. 熔合区和热影响区的显微硬度显著高于母材， 焊缝中心区在整个焊缝部分硬度最低。
- The relative degree of mixture with a base metal; fineness. 成色，纯度和基本金属的相对混合程度; 纯度
- Iron is a base metal, gold a precious one. 铁是贱金属，金是贵金属。
- The relative degree of mixture with a base metal. 成色，纯度和基本金属的相对混合程度。
- As welding is conducted for the mediumcarbon alloy steels using austenitic electrodes, two kinds of cracks,hot crack and fusion zone crack,can be found in backing weld of dissimiar metal weld. 采用奥氏体焊条焊接中碳合金钢时,发现了两种形态的裂纹:底层焊道中的热裂纹和熔合区裂纹。
- Release of the welding energy instantaneously raises the contact point between the thermocouple wire and the base metal to the melting tempera ture and a fusion weld is formed. 焊接能量的释放会把热电偶线和基部材料的接触点的温度升高至熔化温度，然后产生熔化焊接。
- 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。
- The corrosion resistances of fusion zone and weld decay zone have all decreased after GTAW and LBW process. GTAW焊件在焊道及焊接衰化区的腐蚀情形会随著时间增加而加深。
- It was shown that the impact toughness of HAZ is 50% of base metal. 结果表明，该钢的焊接热影响区的冲击韧性较母材降低50%25以上；
- The microstructure and fine structure of weld fusion zone for high strength fine grain steel were studied. 研究了高强度细晶粒碳素钢焊接接头熔合区附近的显微组织及精细结构。
- We cannot transubstantiate base metals into gold. 我们不能把贱金属变成金子。
- We can't transmute base metals into gold. 我们无法使贱金属变为黄金。
- Metallographic analyses show that the ultrasonic welding significantly refines the grains with more acicular ferrite appears in the fusion zone. 金相分析表明，在电弧超声作用下，焊缝结晶组织明显细化，焊缝区针状铁索体增加。
- The supposed conversion of base metals into gold or silver in alchemy. 转变在炼金术中假想的从贱金属到金或银的转变
- The microstructure characteristics change obviously from the fusion zone of the welded HAZ to the basis material with far away from the fusion zone. 从焊接HAZ熔合区到母材，随着距熔合区距离的增大，显微特性发生明显的变化。
- Fibrous processing marks remain in the heat-affected zone (HAZ) with part of precipitated solid phase solved into the base metal. 热影响区内，仍可见纤维状加工痕迹，部分析出相固溶到基体中；
- The temperature field of electron beam welding(EBW) in heat-resisting superalloy was simulated based on fusion zone boundary principle by finite-element method. 根据熔池边界准则应用有限元方法对高温合金电子束焊接温度场进行了数值模拟。
- Lead, iron, copper, tin, and zinc are base metals. 铅、铁、铜、锡和锌都是基本金属。
