Effect of Laser Welding Parameters on Formation of NiTi Shape Memory Alloy Welds

<table>Influence of laser power and welding speed on formation of weld. (<svg height="11.175" id="M51" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 25.637501 11.175" width="25.637501" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> 1030~3550<svg height="11.3625" id="M52" style="vertical-align:-0.15013pt" version="1.1" viewbox="0 0 19.4625 11.3625" width="19.4625" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,2.9,11.112)"><path d="M956 650v-28q-52 -7 -69 -22.5t-39 -77.5q-60 -175 -165 -533h-31l-175 499h-2l-163 -499h-31l-164 535q-18 60 -36 76.5t-65 21.5v28h243v-28q-53 -7 -63 -18.5t3 -49.5l122 -412h2l162 499h29l175 -500h2q87 277 113 401q12 45 0.5 59t-68.5 21v28h220z" id="x57"></path></g>
</svg>; <svg height="11.375" id="M53" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 27.4375 11.375" width="27.4375" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.112)"><path d="M730 650l-8 -28q-52 -4 -72 -18t-64 -77q-79 -113 -321 -539h-33l-119 541q-13 59 -29.5 73t-66.5 20l7 28h245l-8 -28l-28 -5q-33 -6 -40.5 -15.5t-0.5 -38.5l102 -450h2q191 320 246 430q21 42 15.5 56t-43.5 19l-31 4l7 28h240z" id="x1D449"></path></g><g transform="matrix(.017,-0,0,-.017,17.384,11.112)"><path d="M535 323h-483v50h483v-50zM535 138h-483v50h483v-50z" id="x3D"></path></g>
</svg> 0.9~3 m/min; <svg height="11.8" id="M54" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 50.862499 11.8" width="50.862499" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> mm; <svg height="18.362499" id="M55" style="vertical-align:-5.76984pt" version="1.1" viewbox="0 0 57.099998 18.362499" width="57.099998" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.113)"><path d="M751 650l-6 -28q-53 -1 -69 -12.5t-24 -38.5q-23 -85 -43 -192l-13 -69q-34 -181 -130 -262q-79 -65 -185 -65t-171 57q-87 77 -54 258l42 232q12 58 0.5 73t-75.5 19l8 28h263l-6 -28q-63 -5 -78 -18t-26 -74l-41 -226q-25 -135 22 -201t139 -66q99 0 161.5 68t91.5 217
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<g transform="matrix(.017,-0,0,-.017,26.013,11.113)"><path d="M535 323h-483v50h483v-50zM535 138h-483v50h483v-50z" id="x3D"></path></g><g transform="matrix(.017,-0,0,-.017,40.699,11.113)"><path d="M384 0h-275v27q67 5 81.5 18.5t14.5 68.5v385q0 38 -7.5 47.5t-40.5 10.5l-48 2v24q85 15 178 52v-521q0 -55 14.5 -68.5t82.5 -18.5v-27z" id="x31"></path></g><g transform="matrix(.017,-0,0,-.017,48.859,11.113)"><path d="M153 550l-26 -186q79 31 111 31q90 0 141.5 -51t51.5 -119q0 -93 -89 -166q-85 -69 -173 -71q-32 0 -61.5 11.5t-41.5 23.5q-18 17 -17 34q2 16 22 33q14 9 26 -1q61 -50 124 -50q60 0 93 43.5t33 104.5q0 69 -41.5 110t-121.5 41q-53 0 -102 -20l38 305h286l6 -8
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</svg> L/min).</table>

Advances in Materials Science and Engineering

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Figure 9

Figure 9: Effect of Laser Welding Parameters on Formation of NiTi Shape Memory Alloy Welds 