工艺焊接性    fabrication weldability

面弯试验    face bend testing

切割面    face of cut/ cut face

焊件失效分析    failure analysis of weldments

钎焊面    faying face

贴合面    faying surface

侧板条铁素体    ferrite side-plate

铁素体焊条    ferritic electrode

套环    ferrule

纤维区    fibrous zone

焊接温度场    field of weld temperature; weld temperature field

填充焊丝    filler wire

平角焊缝    fillet weld in the flat position

横角焊缝    fillet weld in the horizontal position

立角焊缝    fillet weld in the vertical position

角焊    fillet welding

船形焊    fillet welding in the downhand position/fillet welding in the flat position

仰角焊    fillet welding in the overhead position

立角焊    fillet welding in the vertical position

填充焊道    filling bead

滤光镜片    filter glass/ welding glass

细晶区    fine grained region

指形裂纹试验    finger (cracking) test

焊接终了温度    finishing temperature

躺焊    fire cracker welding

菲斯柯裂纹试验    FISCO (type) cracking test

白点    fish eye/ flake

鱼骨形裂纹试验    fishbone cracking test

外焰    flame envelope

火焰气刨    flame gouging

火焰热效率    flame heating efficiency

门式切割机    flame planer

火焰喷涂    flame spraying

火焰稳定性    flame stability

火焰矫正    flame straightening

卷边接头    flanged edge joint

卷边焊缝    flanged edge weld

卷边焊    flanged edge welding

喇叭形坡口    flare groove

喇叭形坡口焊    flare groove welding

外喇叭口套管接头    flare tube fitting

闪光留量    flash allowance